Bump actions/setup-go from 5 to 6 (#68 )

use 1.24 for CI (#75 )
Bump github.com/alecthomas/repr from 0.5.1 to 0.5.2 (#69 )
2025-12-18 13:01:11 +01:00 · 2025-10-01 21:16:48 +02:00 · 2025-10-01 21:14:18 +02:00 · 2025-10-01 21:08:36 +02:00 · 2025-10-01 21:04:25 +02:00 · 2025-10-01 21:01:04 +02:00
34 changed files with 1295 additions and 667 deletions
--- a/.gh-dash.yml
+++ b/.gh-dash.yml
@@ -0,0 +1,96 @@
+prSections:
+  - title: Responsible PRs
+    filters: repo:tlinden/tablizer is:open NOT dependabot
+    layout:
+      repoName:
+        hidden: true
+
+  - title: Responsible Dependabot PRs
+    filters: repo:tlinden/tablizer is:open dependabot
+    layout:
+      repoName:
+        hidden: true
+
+issuesSections:
+  - title: Responsible Issues
+    filters: is:open repo:tlinden/tablizer -author:@me
+    layout:
+      repoName:
+        hidden: true
+
+  - title: Note-to-Self Issues
+    filters: is:open repo:tlinden/tablizer author:@me
+    layout:
+      creator:
+        hidden: true
+      repoName:
+        hidden: true
+
+defaults:
+  preview:
+    open: false
+    width: 100
+
+keybindings:
+  universal:
+    - key: "shift+down"
+      builtin: pageDown
+    - key: "shift+up"
+      builtin: pageUp
+  prs:
+    - key: g
+      name: gitu
+      command: >
+        cd {{.RepoPath}} && /home/scip/bin/gitu
+    - key: M
+      name: squash-merge
+      command: gh pr merge --rebase --squash --admin --repo {{.RepoName}} {{.PrNumber}}
+    - key: i
+      name: show ci checks
+      command: gh pr checks --repo {{.RepoName}} {{.PrNumber}} | glow -p
+    - key: e
+      name: edit pr
+      command: ~/.config/gh-dash/edit-gh-pr {{.RepoName}} {{.PrNumber}}
+    - key: E
+      name: open repo in emacs
+      command: emacsclient {{.RepoPath}} &
+  issues:
+    - key: v
+      name: view
+      command: gh issue view --repo {{.RepoName}} {{.IssueNumber}} | glow -p
+    - key: l
+      name: add label
+      command: gh issue --repo {{.RepoName}} edit {{.IssueNumber}} --add-label $(gum choose bug enhancement question dependencies wontfix)
+    - key: L
+      name: remove label
+      command: gh issue --repo {{.RepoName}} edit {{.IssueNumber}} --remove-label $(gum choose bug enhancement question dependencies wontfix)
+    - key: E
+      name: open repo in emacs
+      command: emacsclient {{.RepoPath}} &
+
+theme:
+  ui:
+    sectionsShowCount: true
+    table:
+      compact: false
+      showSeparator: true
+  colors:
+    text:
+      primary: "#E2E1ED"
+      secondary: "#6770cb"
+      inverted: "#242347"
+      faint: "#b0793b"
+      warning: "#E0AF68"
+      success: "#3DF294"
+    background:
+      selected: "#1B1B33"
+    border:
+      primary: "#383B5B"
+      secondary: "#39386B"
+      faint: "#8d3e0b"
+
+repoPaths: 
+    :owner/:repo: ~/dev/:repo
+
+pager:
+  diff: delta
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -1,22 +1,22 @@
 name: build-and-test-tablizer
-on: [push, pull_request]
+on: [push]
 jobs:
  build:
    strategy:
      matrix:
-        version: ['1.23']
+        version: ['1.24']
        os: [ubuntu-latest, macos-latest, windows-latest]
    name: Build
    runs-on: ${{ matrix.os }}
    steps:
    - name: Set up Go ${{ matrix.version }}
-      uses: actions/setup-go@v5
+      uses: actions/setup-go@v6
      with:
        go-version: '${{ matrix.version }}'
      id: go

    - name: checkout
-      uses: actions/checkout@v4
+      uses: actions/checkout@v5

    - name: build
      run: make
@@ -28,10 +28,10 @@ jobs:
    name: lint
    runs-on: ubuntu-latest
    steps:
-      - uses: actions/setup-go@v5
+      - uses: actions/setup-go@v6
        with:
-          go-version: 1.23
-      - uses: actions/checkout@v4
+          go-version: 1.24
+      - uses: actions/checkout@v5
      - name: golangci-lint
        uses: golangci/golangci-lint-action@v6
        with:
--- a/.github/workflows/release.yaml
+++ b/.github/workflows/release.yaml
@@ -10,10 +10,10 @@ jobs:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5

      - name: Set up Go
-        uses: actions/setup-go@v5
+        uses: actions/setup-go@v6
        with:
          go-version: 1.22.11

--- a/2
+++ b/2
@@ -65,7 +65,7 @@ clean:
 	rm -rf $(tool) releases coverage.out

 test: clean
-	go test ./... $(OPTS)
+	go test -cover ./... $(OPTS)

 singletest:
 	@echo "Call like this: 'make singletest TEST=TestPrepareColumns MOD=lib'"
--- a/README.md
+++ b/README.md
@@ -11,50 +11,59 @@ ignore certain column[s] by regex, name or number. It can output the
 tabular data in a range of formats (see below). There's even an
 interactive filter/selection tool available.

-Usage:
+## Demo
+
+![demo cast](vhsdemo/demo.gif)
+
+
+## Usage
+
 ```default
 Usage:
  tablizer [regex,...] [file, ...] [flags]

 Operational Flags:
-  -c, --columns string              Only show the speficied columns (separated by ,)
-  -v, --invert-match                select non-matching rows
-  -n, --numbering                   Enable header numbering
-  -N, --no-color                    Disable pattern highlighting
-  -H, --no-headers                  Disable headers display
-  -s, --separator string            Custom field separator
-  -k, --sort-by int|name            Sort by column (default: 1)
-  -z, --fuzzy                       Use fuzzy search [experimental]
-  -F, --filter field[!]=reg         Filter given field with regex, can be used multiple times
-  -T, --transpose-columns string    Transpose the speficied columns (separated by ,)
-  -R, --regex-transposer /from/to/  Apply /search/replace/ regexp to fields given in -T
-  -I, --interactive                 Interactively filter and select rows
+  -c, --columns string               Only show the speficied columns (separated by ,)
+  -v, --invert-match                 select non-matching rows
+  -n, --numbering                    Enable header numbering
+  -N, --no-color                     Disable pattern highlighting
+  -H, --no-headers                   Disable headers display
+  -s, --separator <string>           Custom field separator
+  -k, --sort-by <int|name>           Sort by column (default: 1)
+  -z, --fuzzy                        Use fuzzy search [experimental]
+  -F, --filter <field[!]=reg>        Filter given field with regex, can be used multiple times
+  -T, --transpose-columns string     Transpose the speficied columns (separated by ,)
+  -R, --regex-transposer </from/to/> Apply /search/replace/ regexp to fields given in -T
+  -j, --json                         Read JSON input (must be array of hashes)
+  -I, --interactive                  Interactively filter and select rows

 Output Flags (mutually exclusive):
-  -X, --extended                    Enable extended output
-  -M, --markdown                    Enable markdown table output
-  -O, --orgtbl                      Enable org-mode table output
-  -S, --shell                       Enable shell evaluable output
-  -Y, --yaml                        Enable yaml output
-  -C, --csv                         Enable CSV output
-  -A, --ascii                       Default output mode, ascii tabular
-  -L, --hightlight-lines            Use alternating background colors for tables
-  -y, --yank-columns                Yank specified columns (separated by ,) to clipboard,
-                                    space separated
+  -X, --extended                     Enable extended output
+  -M, --markdown                     Enable markdown table output
+  -O, --orgtbl                       Enable org-mode table output
+  -S, --shell                        Enable shell evaluable output
+  -Y, --yaml                         Enable yaml output
+  -C, --csv                          Enable CSV output
+  -A, --ascii                        Default output mode, ascii tabular
+  -L, --hightlight-lines             Use alternating background colors for tables
+  -y, --yank-columns                 Yank specified columns (separated by ,) to clipboard,
+                                     space separated
+      --ofs <char>                   Output field separator, used by -A and -C. 

 Sort Mode Flags (mutually exclusive):
-  -a, --sort-age                    sort according to age (duration) string
-  -D, --sort-desc                   Sort in descending order (default: ascending)
-  -i, --sort-numeric                sort according to string numerical value
-  -t, --sort-time                   sort according to time string
+  -a, --sort-age                     sort according to age (duration) string
+  -D, --sort-desc                    Sort in descending order (default: ascending)
+  -i, --sort-numeric                 sort according to string numerical value
+  -t, --sort-time                    sort according to time string

 Other Flags:
-      --completion <shell>         Generate the autocompletion script for <shell>
-  -f, --config <file>              Configuration file (default: ~/.config/tablizer/config)
-  -d, --debug                      Enable debugging
-  -h, --help                       help for tablizer
-  -m, --man                        Display manual page
-  -V, --version                    Print program version
+  -r  --read-file <file>             Use <file> as input instead of STDIN
+      --completion <shell>           Generate the autocompletion script for <shell>
+  -f, --config <file>                Configuration file (default: ~/.config/tablizer/config)
+  -d, --debug                        Enable debugging
+  -h, --help                         help for tablizer
+  -m, --man                          Display manual page
+  -V, --version                      Print program version
 ```

 Let's take this output:
@@ -71,13 +80,13 @@ to do this with tablizer:

 ```
 % kubectl get pods | tablizer 
-NAME(1)                      READY(2) STATUS(3)  RESTARTS(4)    AGE(5)
+NAME                         READY    STATUS     RESTARTS       AGE
 repldepl-7bcd8d5b64-7zq4l    1/1      Running    1 (69m ago)    5h26m
 repldepl-7bcd8d5b64-m48n8    1/1      Running    1 (69m ago)    5h26m
 repldepl-7bcd8d5b64-q2bf4    1/1      Running    1 (69m ago)    5h26m

 % kubectl get pods | tablizer -c 1,3
-NAME(1)                      STATUS(3)
+NAME                         STATUS
 repldepl-7bcd8d5b64-7zq4l    Running
 repldepl-7bcd8d5b64-m48n8    Running
 repldepl-7bcd8d5b64-q2bf4    Running 
@@ -115,14 +124,14 @@ You can also specify a regex pattern to reduce the output:

 ```
 % kubectl get pods | tablizer q2bf4
-NAME(1)                      READY(2) STATUS(3)  RESTARTS(4)    AGE(5)
+NAME                         READY    STATUS     RESTARTS       AGE
 repldepl-7bcd8d5b64-q2bf4    1/1      Running    1 (69m ago)    5h26m
 ```

 Sometimes a filter regex is to broad  and you wish to filter only on a
 particular column. This is possible using `-F`:
 ```
-% kubectl get pods | tablizer -n -Fname=2
+% kubectl get pods | tablizer -Fname=2
 NAME                            READY   STATUS  RESTARTS        AGE
 repldepl-7bcd8d5b64-q2bf4       1/1     Running 1 (69m ago)     5h26m
 ```
@@ -136,7 +145,7 @@ You can also use it to modify certain cells using regular expression
 matching. For example:

 ```shell
-kubectl get pods | tablizer -n -T4 -R '/ /-/'
+kubectl get pods | tablizer -T4 -R '/ /-/'
 NAME                            READY   STATUS  RESTARTS        AGE
 repldepl-7bcd8d5b64-7zq4l       1/1     Running 1-(69m-ago)     5h26m
 repldepl-7bcd8d5b64-m48n8       1/1     Running 1-(69m-ago)     5h26m
@@ -147,11 +156,12 @@ Here, we modified the 4th column (`-T4`) by replacing every space with
 a dash. If you need to work with `/` characters, you can also use any
 other separator, for instance: `-R '| |-|'`.

+There's also an interactive mode, invoked with the option B<-I>, where
+you can interactively filter and select rows:
+
+<img width="937" height="293" alt="interactive" src="https://github.com/user-attachments/assets/0d4d65e2-d156-43ed-8021-39047c7939ed" />


-## Demo
-
-[![asciicast](demo/tablizer-demo.gif)](https://asciinema.org/a/9FKc3HPnlg8D2X8otheleEa9t)

 ## Installation

--- a/cfg/config.go
+++ b/cfg/config.go
@@ -28,7 +28,7 @@ import (
 )

 const DefaultSeparator string = `(\s\s+|\t)`
-const Version string = "v1.5.0"
+const Version string = "v1.5.6"
 const MAXPARTS = 2

 var DefaultConfigfile = os.Getenv("HOME") + "/.config/tablizer/config"
@@ -79,6 +79,7 @@ type Config struct {
 	UseFuzzySearch bool
 	UseHighlight   bool
 	Interactive    bool
+	InputJSON      bool

 	SortMode        string
 	SortDescending  bool
@@ -112,6 +113,8 @@ type Config struct {

 	// -r <file>
 	InputFile string
+
+	OFS string
 }

 // maps outputmode short flags to output mode, ie. -O => -o orgtbl
--- a/cfg/config_test.go
+++ b/cfg/config_test.go
@@ -21,6 +21,8 @@ import (
 	"fmt"
 	//	"reflect"
 	"testing"
+
+	"github.com/stretchr/testify/assert"
 )

 func TestPrepareModeFlags(t *testing.T) {
@@ -44,9 +46,8 @@ func TestPrepareModeFlags(t *testing.T) {
 			conf := Config{}

 			conf.PrepareModeFlags(testdata.flag)
-			if conf.OutputMode != testdata.expect {
-				t.Errorf("got: %d, expect: %d", conf.OutputMode, testdata.expect)
-			}
+
+			assert.EqualValues(t, testdata.expect, conf.OutputMode)
 		})
 	}
 }
@@ -70,9 +71,7 @@ func TestPrepareSortFlags(t *testing.T) {

 			conf.PrepareSortFlags(testdata.flag)

-			if conf.SortMode != testdata.expect {
-				t.Errorf("got: %s, expect: %s", conf.SortMode, testdata.expect)
-			}
+			assert.EqualValues(t, testdata.expect, conf.SortMode)
 		})
 	}
 }
@@ -81,7 +80,7 @@ func TestPreparePattern(t *testing.T) {
 	var tests = []struct {
 		patterns  []*Pattern
 		name      string
-		wanterr   bool
+		wanterror bool
 		wanticase bool
 		wantneg   bool
 	}{
@@ -123,16 +122,16 @@ func TestPreparePattern(t *testing.T) {
 	}

 	for _, testdata := range tests {
-		testname := fmt.Sprintf("PreparePattern-pattern-%s-wanterr-%t", testdata.name, testdata.wanterr)
+		testname := fmt.Sprintf("PreparePattern-pattern-%s-wanterr-%t", testdata.name, testdata.wanterror)
 		t.Run(testname, func(t *testing.T) {
 			conf := Config{}

 			err := conf.PreparePattern(testdata.patterns)

-			if err != nil {
-				if !testdata.wanterr {
-					t.Errorf("PreparePattern returned error: %s", err)
-				}
+			if testdata.wanterror {
+				assert.Error(t, err)
+			} else {
+				assert.NoError(t, err)
 			}
 		})
 	}
--- a/cmd/root.go
+++ b/cmd/root.go
@@ -131,7 +131,11 @@ func Execute() {
 	rootCmd.PersistentFlags().StringVarP(&conf.TransposeColumns, "transpose-columns", "T", "",
 		"Transpose the speficied columns (separated by ,)")
 	rootCmd.PersistentFlags().BoolVarP(&conf.Interactive, "interactive", "I", false,
-		"interactive mode (experimental)")
+		"interactive mode")
+	rootCmd.PersistentFlags().StringVarP(&conf.OFS, "ofs", "", "",
+		"Output field separator (' ' for ascii table, ',' for CSV)")
+	rootCmd.PersistentFlags().BoolVarP(&conf.InputJSON, "json", "j", false,
+		"JSON input mode")

 	// sort options
 	rootCmd.PersistentFlags().StringVarP(&conf.SortByColumn, "sort-by", "k", "",
--- a/cmd/tablizer.go
+++ b/cmd/tablizer.go
@@ -6,47 +6,50 @@ NAME

 SYNOPSIS
        Usage:
-          tablizer [regex,...] [file, ...] [flags]
+          tablizer [regex,...] [-r file] [flags]
    
        Operational Flags:
-          -c, --columns string              Only show the speficied columns (separated by ,)
-          -v, --invert-match                select non-matching rows
-          -n, --numbering                   Enable header numbering
-          -N, --no-color                    Disable pattern highlighting
-          -H, --no-headers                  Disable headers display
-          -s, --separator string            Custom field separator
-          -k, --sort-by int|name            Sort by column (default: 1)
-          -z, --fuzzy                       Use fuzzy search [experimental]
-          -F, --filter field[!]=reg         Filter given field with regex, can be used multiple times
-          -T, --transpose-columns string    Transpose the speficied columns (separated by ,)
-          -R, --regex-transposer /from/to/  Apply /search/replace/ regexp to fields given in -T
-          -I, --interactive                 Interactively filter and select rows
+          -c, --columns string               Only show the speficied columns (separated by ,)
+          -v, --invert-match                 select non-matching rows
+          -n, --numbering                    Enable header numbering
+          -N, --no-color                     Disable pattern highlighting
+          -H, --no-headers                   Disable headers display
+          -s, --separator <string>           Custom field separator
+          -k, --sort-by <int|name>           Sort by column (default: 1)
+          -z, --fuzzy                        Use fuzzy search [experimental]
+          -F, --filter <field[!]=reg>        Filter given field with regex, can be used multiple times
+          -T, --transpose-columns string     Transpose the speficied columns (separated by ,)
+          -R, --regex-transposer </from/to/> Apply /search/replace/ regexp to fields given in -T
+          -j, --json                         Read JSON input (must be array of hashes)
+          -I, --interactive                  Interactively filter and select rows

        Output Flags (mutually exclusive):
-          -X, --extended                    Enable extended output
-          -M, --markdown                    Enable markdown table output
-          -O, --orgtbl                      Enable org-mode table output
-          -S, --shell                       Enable shell evaluable output
-          -Y, --yaml                        Enable yaml output
-          -C, --csv                         Enable CSV output
-          -A, --ascii                       Default output mode, ascii tabular
-          -L, --hightlight-lines            Use alternating background colors for tables
-          -y, --yank-columns                Yank specified columns (separated by ,) to clipboard,
-                                            space separated
+          -X, --extended                     Enable extended output
+          -M, --markdown                     Enable markdown table output
+          -O, --orgtbl                       Enable org-mode table output
+          -S, --shell                        Enable shell evaluable output
+          -Y, --yaml                         Enable yaml output
+          -C, --csv                          Enable CSV output
+          -A, --ascii                        Default output mode, ascii tabular
+          -L, --hightlight-lines             Use alternating background colors for tables
+          -y, --yank-columns                 Yank specified columns (separated by ,) to clipboard,
+                                             space separated
+              --ofs <char>                   Output field separator, used by -A and -C. 

        Sort Mode Flags (mutually exclusive):
-          -a, --sort-age                    sort according to age (duration) string
-          -D, --sort-desc                   Sort in descending order (default: ascending)
-          -i, --sort-numeric                sort according to string numerical value
-          -t, --sort-time                   sort according to time string
+          -a, --sort-age                     sort according to age (duration) string
+          -D, --sort-desc                    Sort in descending order (default: ascending)
+          -i, --sort-numeric                 sort according to string numerical value
+          -t, --sort-time                    sort according to time string

        Other Flags:
-              --completion <shell>         Generate the autocompletion script for <shell>
-          -f, --config <file>              Configuration file (default: ~/.config/tablizer/config)
-          -d, --debug                      Enable debugging
-          -h, --help                       help for tablizer
-          -m, --man                        Display manual page
-          -V, --version                    Print program version
+          -r  --read-file <file>             Use <file> as input instead of STDIN
+              --completion <shell>           Generate the autocompletion script for <shell>
+          -f, --config <file>                Configuration file (default: ~/.config/tablizer/config)
+          -d, --debug                        Enable debugging
+          -h, --help                         help for tablizer
+          -m, --man                          Display manual page
+          -V, --version                      Print program version

 DESCRIPTION
    Many programs generate tabular output. But sometimes you need to
@@ -74,16 +77,16 @@ DESCRIPTION
       kubectl get pods | tablizer

       # read a file
-       tablizer filename
+       tablizer -r filename

       # search for pattern in a file (works like grep)
-       tablizer regex filename
+       tablizer regex -r filename

       # search for pattern in STDIN
       kubectl get pods | tablizer regex

-    The output looks like the original one but every header field will have
-    a numer associated with it, e.g.:
+    The output looks like the original one. You can add the option -n, then
+    every header field will have a numer associated with it, e.g.:

       NAME(1) READY(2) STATUS(3) RESTARTS(4) AGE(5)

@@ -95,7 +98,13 @@ DESCRIPTION
    You can specify the numbers in any order but output will always follow
    the original order.

-    The numbering can be suppressed by using the -n option.
+    However, you may also just use the header names instead of numbers, eg:
+
+       kubectl get pods | tablizer -cname,status
+
+    You can also use regular expressions with -c, eg:
+
+       kubectl get pods | tablizer -c '[ae]'

    By default tablizer shows a header containing the names of each column.
    This can be disabled using the -H option. Be aware that this only
@@ -441,47 +450,50 @@ AUTHORS
 var usage = `

 Usage:
-  tablizer [regex,...] [file, ...] [flags]
+  tablizer [regex,...] [-r file] [flags]

 Operational Flags:
-  -c, --columns string              Only show the speficied columns (separated by ,)
-  -v, --invert-match                select non-matching rows
-  -n, --numbering                   Enable header numbering
-  -N, --no-color                    Disable pattern highlighting
-  -H, --no-headers                  Disable headers display
-  -s, --separator string            Custom field separator
-  -k, --sort-by int|name            Sort by column (default: 1)
-  -z, --fuzzy                       Use fuzzy search [experimental]
-  -F, --filter field[!]=reg         Filter given field with regex, can be used multiple times
-  -T, --transpose-columns string    Transpose the speficied columns (separated by ,)
-  -R, --regex-transposer /from/to/  Apply /search/replace/ regexp to fields given in -T
-  -I, --interactive                 Interactively filter and select rows
+  -c, --columns string               Only show the speficied columns (separated by ,)
+  -v, --invert-match                 select non-matching rows
+  -n, --numbering                    Enable header numbering
+  -N, --no-color                     Disable pattern highlighting
+  -H, --no-headers                   Disable headers display
+  -s, --separator <string>           Custom field separator
+  -k, --sort-by <int|name>           Sort by column (default: 1)
+  -z, --fuzzy                        Use fuzzy search [experimental]
+  -F, --filter <field[!]=reg>        Filter given field with regex, can be used multiple times
+  -T, --transpose-columns string     Transpose the speficied columns (separated by ,)
+  -R, --regex-transposer </from/to/> Apply /search/replace/ regexp to fields given in -T
+  -j, --json                         Read JSON input (must be array of hashes)
+  -I, --interactive                  Interactively filter and select rows

 Output Flags (mutually exclusive):
-  -X, --extended                    Enable extended output
-  -M, --markdown                    Enable markdown table output
-  -O, --orgtbl                      Enable org-mode table output
-  -S, --shell                       Enable shell evaluable output
-  -Y, --yaml                        Enable yaml output
-  -C, --csv                         Enable CSV output
-  -A, --ascii                       Default output mode, ascii tabular
-  -L, --hightlight-lines            Use alternating background colors for tables
-  -y, --yank-columns                Yank specified columns (separated by ,) to clipboard,
-                                    space separated
+  -X, --extended                     Enable extended output
+  -M, --markdown                     Enable markdown table output
+  -O, --orgtbl                       Enable org-mode table output
+  -S, --shell                        Enable shell evaluable output
+  -Y, --yaml                         Enable yaml output
+  -C, --csv                          Enable CSV output
+  -A, --ascii                        Default output mode, ascii tabular
+  -L, --hightlight-lines             Use alternating background colors for tables
+  -y, --yank-columns                 Yank specified columns (separated by ,) to clipboard,
+                                     space separated
+      --ofs <char>                   Output field separator, used by -A and -C. 

 Sort Mode Flags (mutually exclusive):
-  -a, --sort-age                    sort according to age (duration) string
-  -D, --sort-desc                   Sort in descending order (default: ascending)
-  -i, --sort-numeric                sort according to string numerical value
-  -t, --sort-time                   sort according to time string
+  -a, --sort-age                     sort according to age (duration) string
+  -D, --sort-desc                    Sort in descending order (default: ascending)
+  -i, --sort-numeric                 sort according to string numerical value
+  -t, --sort-time                    sort according to time string

 Other Flags:
-      --completion <shell>         Generate the autocompletion script for <shell>
-  -f, --config <file>              Configuration file (default: ~/.config/tablizer/config)
-  -d, --debug                      Enable debugging
-  -h, --help                       help for tablizer
-  -m, --man                        Display manual page
-  -V, --version                    Print program version
+  -r  --read-file <file>             Use <file> as input instead of STDIN
+      --completion <shell>           Generate the autocompletion script for <shell>
+  -f, --config <file>                Configuration file (default: ~/.config/tablizer/config)
+  -d, --debug                        Enable debugging
+  -h, --help                         help for tablizer
+  -m, --man                          Display manual page
+  -V, --version                      Print program version


 `
--- a/demo/Makefile
+++ b/demo/Makefile
@@ -1,3 +0,0 @@
-all:
-	LC_ALL=en_US.UTF-8 asciinema rec --cols 50 --row 30 -c ./demo.sh --overwrite tmp.cast
-	agg tmp.cast tmp.gif
--- a/demo/demo.sh
+++ b/demo/demo.sh
@@ -1,31 +0,0 @@
-#!/bin/bash
-
-prompt() {
-    if test -n "$1"; then
-        echo
-        echo -n "% $*"
-        sleep 1
-        echo
-        $*
-        echo
-        echo -n "% "
-    else
-        echo -n "% "
-    fi
-}
-
-PATH=..:$PATH
-clear
-while IFS=$'\t' read -r flags table msg source _; do
-    echo "#"
-    echo "#   source tabular data:"
-    cat $table
-    echo
-    echo "#"
-    echo "#   $msg:"
-    prompt "tablizer $flags $table"
-  
-    sleep 4
-    clear
-done < <(yq -r tables.yaml \
-         | yq -r '.tables[] | [.flags, .table, .msg, .source] | @tsv')
--- a/demo/table.demo1
+++ b/demo/table.demo1
@@ -1,4 +0,0 @@
-NAME   DURATION   COUNT  WHEN
-beta   1d10h5m1s  33     3/1/2014
-alpha  4h35m      170    2013-Feb-03
-ceta   33d12h     9      06/Jan/2008 15:04:05 -0700
--- a/demo/table.demo2
+++ b/demo/table.demo2
@@ -1,3 +0,0 @@
-    PID TTY          TIME CMD
-  30912 pts/0    00:00:00 bash
-  49526 pts/0    00:00:00 ps
--- a/demo/tables.yaml
+++ b/demo/tables.yaml
@@ -1,54 +0,0 @@
-tables:
-# OUTPUTS
-  - flags: -A
-    table: table.demo1
-    msg: default output mode
-  - flags: -O
-    table: table.demo1
-    msg: orgmode output mode
-  - flags: -M
-    table: table.demo1
-    msg: markdown output mode
-  - flags: -S
-    table: table.demo1
-    msg: shell output mode
-  - flags: -X
-    table: table.demo1
-    msg: extended output mode
-  - flags: -Y
-    table: table.demo1
-    msg: yaml output mode
-  - flags: -C
-    table: table.demo1
-    msg: CSV output mode
-
-  # SORTS
-  - flags: -A -k 3
-    table: table.demo1
-    msg: sort by column 3
-  - flags: -A -k 4 -t
-    table: table.demo1
-    msg: sort by column 4 and sort type time
-  - flags: -A -k 2 -a
-    table: table.demo1
-    msg: sort by column 2 and sort type duration
-
-  # REDUCE
-  - flags: -A -c 1,3
-    table: table.demo1
-    msg: only display column 1 and 3
-  - flags: -A -c AM,RA
-    table: table.demo1
-    msg: only display columns matching /(RA|AM)/
-  - flags: -X -c 1,3
-    table: table.demo1
-    msg: only display column 1 and 3 in extended mode
-
-  # SEARCH
-  - flags: /20 -A
-    table: table.demo1
-    msg: only show rows matching /20
-  - flags: /20 -A -v
-    table: table.demo1
-    msg: only show rows NOT matching /20
-
--- a/demo/tablizer-demo.cast
+++ b/demo/tablizer-demo.cast
@@ -1,119 +0,0 @@
-{"version": 2, "width": 80, "height": 25, "timestamp": 1666890777, "env": {"SHELL": "/bin/bash", "TERM": "xterm-256color"}}
-[0.004618, "o", "\u001b[H\u001b[2J\u001b[3J"]
-[0.010297, "o", "#\r\n#   source tabular data:\r\n"]
-[0.010898, "o", "NAME   DURATION   COUNT  WHEN\r\nbeta   1d10h5m1s  33     3/1/2014\r\nalpha  4h35m      170    2013-Feb-03\r\nceta   33d12h     9      06/Jan/2008 15:04:05 -0700\r\n"]
-[0.011125, "o", "\r\n#\r\n"]
-[0.011177, "o", "#   default output mode:\r\n"]
-[0.011219, "o", "\r\n% tablizer -A table.demo1"]
-[1.011851, "o", "\r\n"]
-[1.013635, "o", "NAME(1)\tDURATION(2)\tCOUNT(3)\tWHEN(4)                    \r\nbeta   \t1d10h5m1s  \t33      \t3/1/2014                  \t\r\nalpha  \t4h35m      \t170     \t2013-Feb-03               \t\r\nceta   \t33d12h     \t9       \t06/Jan/2008 15:04:05 -0700\t\r\n"]
-[1.014021, "o", "\r\n% "]
-[5.015241, "o", "\u001b[H\u001b[2J\u001b[3J"]
-[5.015339, "o", "#\r\n#   source tabular data:\r\n"]
-[5.015688, "o", "NAME   DURATION   COUNT  WHEN\r\nbeta   1d10h5m1s  33     3/1/2014\r\nalpha  4h35m      170    2013-Feb-03\r\nceta   33d12h     9      06/Jan/2008 15:04:05 -0700\r\n"]
-[5.015776, "o", "\r\n#\r\n#   orgmode output mode:\r\n\r\n% tablizer -O table.demo1"]
-[6.016322, "o", "\r\n"]
-[6.01823, "o", "+---------+-------------+----------+----------------------------+\r\n| NAME(1) | DURATION(2) | COUNT(3) |          WHEN(4)           |\r\n+---------+-------------+----------+----------------------------+\r\n| beta    | 1d10h5m1s   |       33 | 3/1/2014                   |\r\n| alpha   | 4h35m       |      170 | 2013-Feb-03                |\r\n| ceta    | 33d12h      |        9 | 06/Jan/2008 15:04:05 -0700 |\r\n+---------+-------------+----------+----------------------------+\r\n"]
-[6.018497, "o", "\r\n% "]
-[10.020014, "o", "\u001b[H\u001b[2J\u001b[3J"]
-[10.020112, "o", "#\r\n#   source tabular data:\r\n"]
-[10.020573, "o", "NAME   DURATION   COUNT  WHEN\r\nbeta   1d10h5m1s  33     3/1/2014\r\nalpha  4h35m      170    2013-Feb-03\r\nceta   33d12h     9      06/Jan/2008 15:04:05 -0700\r\n"]
-[10.020643, "o", "\r\n#\r\n"]
-[10.02068, "o", "#   markdown output mode:\r\n\r\n% tablizer -M table.demo1"]
-[11.021559, "o", "\r\n"]
-[11.023551, "o", "| NAME(1) | DURATION(2) | COUNT(3) |          WHEN(4)           |\r\n|---------|-------------|----------|----------------------------|\r\n| beta    | 1d10h5m1s   |       33 | 3/1/2014                   |\r\n| alpha   | 4h35m       |      170 | 2013-Feb-03                |\r\n| ceta    | 33d12h      |        9 | 06/Jan/2008 15:04:05 -0700 |\r\n"]
-[11.023838, "o", "\r\n% "]
-[15.025244, "o", "\u001b[H\u001b[2J\u001b[3J"]
-[15.025345, "o", "#\r\n#   source tabular data:\r\n"]
-[15.025829, "o", "NAME   DURATION   COUNT  WHEN\r\nbeta   1d10h5m1s  33     3/1/2014\r\nalpha  4h35m      170    2013-Feb-03\r\nceta   33d12h     9      06/Jan/2008 15:04:05 -0700\r\n"]
-[15.025915, "o", "\r\n#\r\n#   shell output mode:\r\n"]
-[15.025931, "o", "\r\n"]
-[15.025948, "o", "% tablizer -S table.demo1"]
-[16.026714, "o", "\r\n"]
-[16.028606, "o", "NAME(1)=\"beta\" DURATION(2)=\"1d10h5m1s\" COUNT(3)=\"33\" WHEN(4)=\"3/1/2014\"\r\nNAME(1)=\"alpha\" DURATION(2)=\"4h35m\" COUNT(3)=\"170\" WHEN(4)=\"2013-Feb-03\"\r\nNAME(1)=\"ceta\" DURATION(2)=\"33d12h\" COUNT(3)=\"9\" WHEN(4)=\"06/Jan/2008 15:04:05 -0700\"\r\n"]
-[16.029144, "o", "\r\n% "]
-[20.030593, "o", "\u001b[H\u001b[2J\u001b[3J"]
-[20.030706, "o", "#\r\n#   source tabular data:\r\n"]
-[20.03121, "o", "NAME   DURATION   COUNT  WHEN\r\nbeta   1d10h5m1s  33     3/1/2014\r\nalpha  4h35m      170    2013-Feb-03\r\nceta   33d12h     9      06/Jan/2008 15:04:05 -0700\r\n"]
-[20.031277, "o", "\r\n#\r\n#   extended output mode:\r\n"]
-[20.031327, "o", "\r\n% tablizer -X table.demo1"]
-[21.032053, "o", "\r\n"]
-[21.033787, "o", "    NAME(1): beta\r\nDURATION(2): 1d10h5m1s\r\n   COUNT(3): 33\r\n    WHEN(4): 3/1/2014\r\n\r\n    NAME(1): alpha\r\nDURATION(2): 4h35m\r\n   COUNT(3): 170\r\n    WHEN(4): 2013-Feb-03\r\n\r\n    NAME(1): ceta\r\nDURATION(2): 33d12h\r\n   COUNT(3): 9\r\n    WHEN(4): 06/Jan/2008 15:04:05 -0700\r\n\r\n"]
-[21.034132, "o", "\r\n% "]
-[25.035531, "o", "\u001b[H\u001b[2J\u001b[3J"]
-[25.035585, "o", "#\r\n"]
-[25.035681, "o", "#   source tabular data:\r\n"]
-[25.036179, "o", "NAME   DURATION   COUNT  WHEN\r\nbeta   1d10h5m1s  33     3/1/2014\r\nalpha  4h35m      170    2013-Feb-03\r\nceta   33d12h     9      06/Jan/2008 15:04:05 -0700\r\n"]
-[25.036232, "o", "\r\n#\r\n"]
-[25.036274, "o", "#   yaml output mode:\r\n\r\n% tablizer -Y table.demo1"]
-[26.036928, "o", "\r\n"]
-[26.038674, "o", "entries:\r\n    - count: 33\r\n      duration: \"1d10h5m1s\"\r\n      name: \"beta\"\r\n      when: \"3/1/2014\"\r\n    - count: 170\r\n      duration: \"4h35m\"\r\n      name: \"alpha\"\r\n      when: \"2013-Feb-03\"\r\n    - count: 9\r\n      duration: \"33d12h\"\r\n      name: \"ceta\"\r\n      when: \"06/Jan/2008 15:04:05 -0700\"\r\n"]
-[26.038975, "o", "\r\n% "]
-[30.040539, "o", "\u001b[H\u001b[2J\u001b[3J"]
-[30.040659, "o", "#\r\n#   source tabular data:\r\n"]
-[30.041167, "o", "NAME   DURATION   COUNT  WHEN\r\nbeta   1d10h5m1s  33     3/1/2014\r\nalpha  4h35m      170    2013-Feb-03\r\nceta   33d12h     9      06/Jan/2008 15:04:05 -0700\r\n"]
-[30.041246, "o", "\r\n#\r\n#   CSV output mode:\r\n\r\n% tablizer -C table.demo1"]
-[31.042088, "o", "\r\n"]
-[31.043721, "o", "NAME,DURATION,COUNT,WHEN\r\nbeta,1d10h5m1s,33,3/1/2014\r\nalpha,4h35m,170,2013-Feb-03\r\nceta,33d12h,9,06/Jan/2008 15:04:05 -0700\r\n"]
-[31.043997, "o", "\r\n% "]
-[35.045523, "o", "\u001b[H\u001b[2J\u001b[3J"]
-[35.04563, "o", "#\r\n#   source tabular data:\r\n"]
-[35.046209, "o", "NAME   DURATION   COUNT  WHEN\r\nbeta   1d10h5m1s  33     3/1/2014\r\nalpha  4h35m      170    2013-Feb-03\r\nceta   33d12h     9      06/Jan/2008 15:04:05 -0700\r\n"]
-[35.046275, "o", "\r\n#\r\n#   sort by column 3:\r\n\r\n% tablizer -A -k 3 table.demo1"]
-[36.047083, "o", "\r\n"]
-[36.048793, "o", "NAME(1)\tDURATION(2)\tCOUNT(3)\tWHEN(4)                    \r\nalpha  \t4h35m      \t170     \t2013-Feb-03               \t\r\nbeta   \t1d10h5m1s  \t33      \t3/1/2014                  \t\r\nceta   \t33d12h     \t9       \t06/Jan/2008 15:04:05 -0700\t\r\n"]
-[36.049077, "o", "\r\n% "]
-[40.050739, "o", "\u001b[H\u001b[2J\u001b[3J"]
-[40.050925, "o", "#\r\n#   source tabular data:\r\n"]
-[40.051481, "o", "NAME   DURATION   COUNT  WHEN\r\nbeta   1d10h5m1s  33     3/1/2014\r\nalpha  4h35m      170    2013-Feb-03\r\nceta   33d12h     9      06/Jan/2008 15:04:05 -0700\r\n"]
-[40.051671, "o", "\r\n#\r\n#   sort by column 4 and sort type time:\r\n\r\n% tablizer -A -k 4 -t table.demo1"]
-[41.052486, "o", "\r\n"]
-[41.05454, "o", "NAME(1)\tDURATION(2)\tCOUNT(3)\tWHEN(4)                    \r\nceta   \t33d12h     \t9       \t06/Jan/2008 15:04:05 -0700\t\r\nalpha  \t4h35m      \t170     \t2013-Feb-03               \t\r\nbeta   \t1d10h5m1s  \t33      \t3/1/2014                  \t\r\n"]
-[41.054864, "o", "\r\n% "]
-[45.056297, "o", "\u001b[H\u001b[2J\u001b[3J"]
-[45.056405, "o", "#\r\n#   source tabular data:\r\n"]
-[45.056895, "o", "NAME   DURATION   COUNT  WHEN\r\nbeta   1d10h5m1s  33     3/1/2014\r\nalpha  4h35m      170    2013-Feb-03\r\nceta   33d12h     9      06/Jan/2008 15:04:05 -0700\r\n"]
-[45.056978, "o", "\r\n#\r\n"]
-[45.057023, "o", "#   sort by column 2 and sort type duration:\r\n"]
-[45.057073, "o", "\r\n% tablizer -A -k 2 -a table.demo1"]
-[46.057895, "o", "\r\n"]
-[46.059684, "o", "NAME(1)\tDURATION(2)\tCOUNT(3)\tWHEN(4)                    \r\nalpha  \t4h35m      \t170     \t2013-Feb-03               \t\r\nbeta   \t1d10h5m1s  \t33      \t3/1/2014                  \t\r\nceta   \t33d12h     \t9       \t06/Jan/2008 15:04:05 -0700\t\r\n"]
-[46.059988, "o", "\r\n% "]
-[50.061514, "o", "\u001b[H\u001b[2J\u001b[3J"]
-[50.061622, "o", "#\r\n#   source tabular data:\r\n"]
-[50.062091, "o", "NAME   DURATION   COUNT  WHEN\r\nbeta   1d10h5m1s  33     3/1/2014\r\nalpha  4h35m      170    2013-Feb-03\r\nceta   33d12h     9      06/Jan/2008 15:04:05 -0700\r\n"]
-[50.062188, "o", "\r\n#\r\n#   only display column 1 and 3:\r\n\r\n% tablizer -A -c 1,3 table.demo1"]
-[51.062985, "o", "\r\n"]
-[51.066293, "o", "NAME(1)\tCOUNT(3) \r\nbeta   \t33      \t\r\nalpha  \t170     \t\r\nceta   \t9       \t\r\n"]
-[51.066843, "o", "\r\n% "]
-[55.070781, "o", "\u001b[H\u001b[2J\u001b[3J"]
-[55.071327, "o", "#\r\n#   source tabular data:\r\n"]
-[55.073499, "o", "NAME   DURATION   COUNT  WHEN\r\nbeta   1d10h5m1s  33     3/1/2014\r\nalpha  4h35m      170    2013-Feb-03\r\nceta   33d12h     9      06/Jan/2008 15:04:05 -0700\r\n"]
-[55.073822, "o", "\r\n#\r\n#   only display columns matching /(RA|AM)/:\r\n"]
-[55.074188, "o", "\r\n% tablizer -A -c AM,RA table.demo1"]
-[56.07636, "o", "\r\n"]
-[56.078603, "o", "NAME(1)\tDURATION(2) \r\nbeta   \t1d10h5m1s  \t\r\nalpha  \t4h35m      \t\r\nceta   \t33d12h     \t\r\n"]
-[56.078957, "o", "\r\n% "]
-[60.080574, "o", "\u001b[H\u001b[2J\u001b[3J"]
-[60.080734, "o", "#\r\n#   source tabular data:\r\n"]
-[60.081286, "o", "NAME   DURATION   COUNT  WHEN\r\nbeta   1d10h5m1s  33     3/1/2014\r\nalpha  4h35m      170    2013-Feb-03\r\nceta   33d12h     9      06/Jan/2008 15:04:05 -0700\r\n"]
-[60.081418, "o", "\r\n#\r\n#   only display column 1 and 3 in extended mode:\r\n\r\n% tablizer -X -c 1,3 table.demo1"]
-[61.082844, "o", "\r\n"]
-[61.089822, "o", " NAME(1): beta\r\nCOUNT(3): 33\r\n\r\n NAME(1): alpha\r\nCOUNT(3): 170\r\n\r\n NAME(1): ceta\r\nCOUNT(3): 9\r\n\r\n"]
-[61.090969, "o", "\r\n% "]
-[65.096092, "o", "\u001b[H\u001b[2J\u001b[3J"]
-[65.096571, "o", "#\r\n#   source tabular data:\r\n"]
-[65.098736, "o", "NAME   DURATION   COUNT  WHEN\r\nbeta   1d10h5m1s  33     3/1/2014\r\nalpha  4h35m      170    2013-Feb-03\r\nceta   33d12h     9      06/Jan/2008 15:04:05 -0700\r\n"]
-[65.099085, "o", "\r\n#\r\n#   only show rows matching /20:\r\n"]
-[65.099283, "o", "\r\n% tablizer /20 -A table.demo1"]
-[66.101537, "o", "\r\n"]
-[66.109112, "o", "NAME(1)\tDURATION(2)\tCOUNT(3)\tWHEN(4)                    \r\nbeta   \t1d10h5m1s  \t33      \t3/1\u001b[102;30m/20\u001b[0m14                  \t\r\nceta   \t33d12h     \t9       \t06/Jan\u001b[102;30m/20\u001b[0m08 15:04:05 -0700\t\r\n"]
-[66.109405, "o", "\r\n% "]
-[70.11076, "o", "\u001b[H\u001b[2J\u001b[3J"]
-[70.110873, "o", "#\r\n#   source tabular data:\r\n"]
-[70.111365, "o", "NAME   DURATION   COUNT  WHEN\r\nbeta   1d10h5m1s  33     3/1/2014\r\nalpha  4h35m      170    2013-Feb-03\r\nceta   33d12h     9      06/Jan/2008 15:04:05 -0700\r\n"]
-[70.111469, "o", "\r\n#\r\n#   only show rows NOT matching /20:\r\n\r\n% tablizer /20 -A -v table.demo1"]
-[71.112738, "o", "\r\n"]
-[71.120032, "o", "NAME(1)\tDURATION(2)\tCOUNT(3)\tWHEN(4)     \r\nalpha  \t4h35m      \t170     \t2013-Feb-03\t\r\n"]
-[71.121127, "o", "\r\n% "]
-[75.126199, "o", "\u001b[H\u001b[2J\u001b[3J"]
--- a/demo/tablizer-demo.gif
+++ b/demo/tablizer-demo.gif
--- a/go.mod
+++ b/go.mod
@@ -1,22 +1,22 @@
 module github.com/tlinden/tablizer

-go 1.23.0
-
-toolchain go1.23.5
+go 1.24.0

 require (
-	github.com/alecthomas/repr v0.5.1
+	github.com/alecthomas/repr v0.5.2
 	github.com/araddon/dateparse v0.0.0-20210429162001-6b43995a97de
 	github.com/charmbracelet/bubbles v0.21.0
-	github.com/charmbracelet/bubbletea v1.3.4
+	github.com/charmbracelet/bubbletea v1.3.10
 	github.com/charmbracelet/lipgloss v1.1.0
-	github.com/evertras/bubble-table v0.17.2
-	github.com/gookit/color v1.5.4
+	github.com/evertras/bubble-table v0.19.2
+	github.com/gookit/color v1.6.0
 	github.com/hashicorp/hcl/v2 v2.24.0
 	github.com/lithammer/fuzzysearch v1.1.8
-	github.com/olekukonko/tablewriter v1.0.9
+	github.com/mattn/go-isatty v0.0.20
+	github.com/olekukonko/tablewriter v1.1.0
 	github.com/rogpeppe/go-internal v1.14.1
-	github.com/spf13/cobra v1.9.1
+	github.com/spf13/cobra v1.10.1
+	github.com/stretchr/testify v1.11.1
 	github.com/tiagomelo/go-clipboard v0.1.2
 	gopkg.in/yaml.v3 v3.0.1
 )
@@ -27,16 +27,16 @@ require (
 	github.com/atotto/clipboard v0.1.4 // indirect
 	github.com/aymanbagabas/go-osc52/v2 v2.0.1 // indirect
 	github.com/charmbracelet/colorprofile v0.3.1 // indirect
-	github.com/charmbracelet/x/ansi v0.8.0 // indirect
+	github.com/charmbracelet/x/ansi v0.10.1 // indirect
 	github.com/charmbracelet/x/cellbuf v0.0.13 // indirect
 	github.com/charmbracelet/x/term v0.2.1 // indirect
+	github.com/davecgh/go-spew v1.1.1 // indirect
 	github.com/erikgeiser/coninput v0.0.0-20211004153227-1c3628e74d0f // indirect
 	github.com/fatih/color v1.18.0 // indirect
 	github.com/google/go-cmp v0.6.0 // indirect
 	github.com/inconshreveable/mousetrap v1.1.0 // indirect
 	github.com/lucasb-eyer/go-colorful v1.2.0 // indirect
 	github.com/mattn/go-colorable v0.1.14 // indirect
-	github.com/mattn/go-isatty v0.0.20 // indirect
 	github.com/mattn/go-localereader v0.0.1 // indirect
 	github.com/mattn/go-runewidth v0.0.16 // indirect
 	github.com/mitchellh/go-wordwrap v1.0.1 // indirect
@@ -47,14 +47,15 @@ require (
 	github.com/olekukonko/errors v1.1.0 // indirect
 	github.com/olekukonko/ll v0.0.9 // indirect
 	github.com/pkg/errors v0.9.1 // indirect
+	github.com/pmezard/go-difflib v1.0.0 // indirect
 	github.com/rivo/uniseg v0.4.7 // indirect
-	github.com/spf13/pflag v1.0.6 // indirect
+	github.com/spf13/pflag v1.0.9 // indirect
 	github.com/xo/terminfo v0.0.0-20220910002029-abceb7e1c41e // indirect
 	github.com/zclconf/go-cty v1.16.3 // indirect
 	golang.org/x/exp v0.0.0-20231006140011-7918f672742d // indirect
 	golang.org/x/mod v0.21.0 // indirect
-	golang.org/x/sync v0.14.0 // indirect
-	golang.org/x/sys v0.33.0 // indirect
+	golang.org/x/sync v0.15.0 // indirect
+	golang.org/x/sys v0.36.0 // indirect
 	golang.org/x/text v0.25.0 // indirect
 	golang.org/x/tools v0.26.0 // indirect
 )
--- a/go.sum
+++ b/go.sum
@@ -1,7 +1,7 @@
 github.com/agext/levenshtein v1.2.3 h1:YB2fHEn0UJagG8T1rrWknE3ZQzWM06O8AMAatNn7lmo=
 github.com/agext/levenshtein v1.2.3/go.mod h1:JEDfjyjHDjOF/1e4FlBE/PkbqA9OfWu2ki2W0IB5558=
-github.com/alecthomas/repr v0.5.1 h1:E3G4t2QbHTSNpPKBgMTln5KLkZHLOcU7r37J4pXBuIg=
-github.com/alecthomas/repr v0.5.1/go.mod h1:Fr0507jx4eOXV7AlPV6AVZLYrLIuIeSOWtW57eE/O/4=
+github.com/alecthomas/repr v0.5.2 h1:SU73FTI9D1P5UNtvseffFSGmdNci/O6RsqzeXJtP0Qs=
+github.com/alecthomas/repr v0.5.2/go.mod h1:Fr0507jx4eOXV7AlPV6AVZLYrLIuIeSOWtW57eE/O/4=
 github.com/apparentlymart/go-textseg/v15 v15.0.0 h1:uYvfpb3DyLSCGWnctWKGj857c6ew1u1fNQOlOtuGxQY=
 github.com/apparentlymart/go-textseg/v15 v15.0.0/go.mod h1:K8XmNZdhEBkdlyDdvbmmsvpAG721bKi0joRfFdHIWJ4=
 github.com/araddon/dateparse v0.0.0-20210429162001-6b43995a97de h1:FxWPpzIjnTlhPwqqXc4/vE0f7GvRjuAsbW+HOIe8KnA=
@@ -12,14 +12,14 @@ github.com/aymanbagabas/go-osc52/v2 v2.0.1 h1:HwpRHbFMcZLEVr42D4p7XBqjyuxQH5SMiE
 github.com/aymanbagabas/go-osc52/v2 v2.0.1/go.mod h1:uYgXzlJ7ZpABp8OJ+exZzJJhRNQ2ASbcXHWsFqH8hp8=
 github.com/charmbracelet/bubbles v0.21.0 h1:9TdC97SdRVg/1aaXNVWfFH3nnLAwOXr8Fn6u6mfQdFs=
 github.com/charmbracelet/bubbles v0.21.0/go.mod h1:HF+v6QUR4HkEpz62dx7ym2xc71/KBHg+zKwJtMw+qtg=
-github.com/charmbracelet/bubbletea v1.3.4 h1:kCg7B+jSCFPLYRA52SDZjr51kG/fMUEoPoZrkaDHyoI=
-github.com/charmbracelet/bubbletea v1.3.4/go.mod h1:dtcUCyCGEX3g9tosuYiut3MXgY/Jsv9nKVdibKKRRXo=
+github.com/charmbracelet/bubbletea v1.3.10 h1:otUDHWMMzQSB0Pkc87rm691KZ3SWa4KUlvF9nRvCICw=
+github.com/charmbracelet/bubbletea v1.3.10/go.mod h1:ORQfo0fk8U+po9VaNvnV95UPWA1BitP1E0N6xJPlHr4=
 github.com/charmbracelet/colorprofile v0.3.1 h1:k8dTHMd7fgw4bnFd7jXTLZrSU/CQrKnL3m+AxCzDz40=
 github.com/charmbracelet/colorprofile v0.3.1/go.mod h1:/GkGusxNs8VB/RSOh3fu0TJmQ4ICMMPApIIVn0KszZ0=
 github.com/charmbracelet/lipgloss v1.1.0 h1:vYXsiLHVkK7fp74RkV7b2kq9+zDLoEU4MZoFqR/noCY=
 github.com/charmbracelet/lipgloss v1.1.0/go.mod h1:/6Q8FR2o+kj8rz4Dq0zQc3vYf7X+B0binUUBwA0aL30=
-github.com/charmbracelet/x/ansi v0.8.0 h1:9GTq3xq9caJW8ZrBTe0LIe2fvfLR/bYXKTx2llXn7xE=
-github.com/charmbracelet/x/ansi v0.8.0/go.mod h1:wdYl/ONOLHLIVmQaxbIYEC/cRKOQyjTkowiI4blgS9Q=
+github.com/charmbracelet/x/ansi v0.10.1 h1:rL3Koar5XvX0pHGfovN03f5cxLbCF2YvLeyz7D2jVDQ=
+github.com/charmbracelet/x/ansi v0.10.1/go.mod h1:3RQDQ6lDnROptfpWuUVIUG64bD2g2BgntdxH0Ya5TeE=
 github.com/charmbracelet/x/cellbuf v0.0.13 h1:/KBBKHuVRbq1lYx5BzEHBAFBP8VcQzJejZ/IA3iR28k=
 github.com/charmbracelet/x/cellbuf v0.0.13/go.mod h1:xe0nKWGd3eJgtqZRaN9RjMtK7xUYchjzPr7q6kcvCCs=
 github.com/charmbracelet/x/term v0.2.1 h1:AQeHeLZ1OqSXhrAWpYUtZyX1T3zVxfpZuEQMIQaGIAQ=
@@ -30,16 +30,18 @@ github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/erikgeiser/coninput v0.0.0-20211004153227-1c3628e74d0f h1:Y/CXytFA4m6baUTXGLOoWe4PQhGxaX0KpnayAqC48p4=
 github.com/erikgeiser/coninput v0.0.0-20211004153227-1c3628e74d0f/go.mod h1:vw97MGsxSvLiUE2X8qFplwetxpGLQrlU1Q9AUEIzCaM=
-github.com/evertras/bubble-table v0.17.2 h1:4MtLO888s2xb94OG3KqJCIEav6gE3V4ob56hmOammf0=
-github.com/evertras/bubble-table v0.17.2/go.mod h1:ifHujS1YxwnYSOgcR2+m3GnJ84f7CVU/4kUOxUCjEbQ=
+github.com/evertras/bubble-table v0.19.2 h1:u77oiM6JlRR+CvS5FZc3Hz+J6iEsvEDcR5kO8OFb1Yw=
+github.com/evertras/bubble-table v0.19.2/go.mod h1:ifHujS1YxwnYSOgcR2+m3GnJ84f7CVU/4kUOxUCjEbQ=
 github.com/fatih/color v1.18.0 h1:S8gINlzdQ840/4pfAwic/ZE0djQEH3wM94VfqLTZcOM=
 github.com/fatih/color v1.18.0/go.mod h1:4FelSpRwEGDpQ12mAdzqdOukCy4u8WUtOY6lkT/6HfU=
 github.com/go-test/deep v1.0.3 h1:ZrJSEWsXzPOxaZnFteGEfooLba+ju3FYIbOrS+rQd68=
 github.com/go-test/deep v1.0.3/go.mod h1:wGDj63lr65AM2AQyKZd/NYHGb0R+1RLqB8NKt3aSFNA=
 github.com/google/go-cmp v0.6.0 h1:ofyhxvXcZhMsU5ulbFiLKl/XBFqE1GSq7atu8tAmTRI=
 github.com/google/go-cmp v0.6.0/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
-github.com/gookit/color v1.5.4 h1:FZmqs7XOyGgCAxmWyPslpiok1k05wmY3SJTytgvYFs0=
-github.com/gookit/color v1.5.4/go.mod h1:pZJOeOS8DM43rXbp4AZo1n9zCU2qjpcRko0b6/QJi9w=
+github.com/gookit/assert v0.1.1 h1:lh3GcawXe/p+cU7ESTZ5Ui3Sm/x8JWpIis4/1aF0mY0=
+github.com/gookit/assert v0.1.1/go.mod h1:jS5bmIVQZTIwk42uXl4lyj4iaaxx32tqH16CFj0VX2E=
+github.com/gookit/color v1.6.0 h1:JjJXBTk1ETNyqyilJhkTXJYYigHG24TM9Xa2M1xAhRA=
+github.com/gookit/color v1.6.0/go.mod h1:9ACFc7/1IpHGBW8RwuDm/0YEnhg3dwwXpoMsmtyHfjs=
 github.com/hashicorp/hcl/v2 v2.24.0 h1:2QJdZ454DSsYGoaE6QheQZjtKZSUs9Nh2izTWiwQxvE=
 github.com/hashicorp/hcl/v2 v2.24.0/go.mod h1:oGoO1FIQYfn/AgyOhlg9qLC6/nOJPX3qGbkZpYAcqfM=
 github.com/inconshreveable/mousetrap v1.1.0 h1:wN+x4NVGpMsO7ErUn/mUI3vEoE6Jt13X2s0bqwp9tc8=
@@ -72,8 +74,8 @@ github.com/olekukonko/errors v1.1.0 h1:RNuGIh15QdDenh+hNvKrJkmxxjV4hcS50Db478Ou5
 github.com/olekukonko/errors v1.1.0/go.mod h1:ppzxA5jBKcO1vIpCXQ9ZqgDh8iwODz6OXIGKU8r5m4Y=
 github.com/olekukonko/ll v0.0.9 h1:Y+1YqDfVkqMWuEQMclsF9HUR5+a82+dxJuL1HHSRpxI=
 github.com/olekukonko/ll v0.0.9/go.mod h1:En+sEW0JNETl26+K8eZ6/W4UQ7CYSrrgg/EdIYT2H8g=
-github.com/olekukonko/tablewriter v1.0.9 h1:XGwRsYLC2bY7bNd93Dk51bcPZksWZmLYuaTHR0FqfL8=
-github.com/olekukonko/tablewriter v1.0.9/go.mod h1:5c+EBPeSqvXnLLgkm9isDdzR3wjfBkHR9Nhfp3NWrzo=
+github.com/olekukonko/tablewriter v1.1.0 h1:N0LHrshF4T39KvI96fn6GT8HEjXRXYNDrDjKFDB7RIY=
+github.com/olekukonko/tablewriter v1.1.0/go.mod h1:5c+EBPeSqvXnLLgkm9isDdzR3wjfBkHR9Nhfp3NWrzo=
 github.com/pkg/errors v0.9.1 h1:FEBLx1zS214owpjy7qsBeixbURkuhQAwrK5UwLGTwt4=
 github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
@@ -86,14 +88,14 @@ github.com/rogpeppe/go-internal v1.14.1 h1:UQB4HGPB6osV0SQTLymcB4TgvyWu6ZyliaW0t
 github.com/rogpeppe/go-internal v1.14.1/go.mod h1:MaRKkUm5W0goXpeCfT7UZI6fk/L7L7so1lCWt35ZSgc=
 github.com/russross/blackfriday/v2 v2.1.0/go.mod h1:+Rmxgy9KzJVeS9/2gXHxylqXiyQDYRxCVz55jmeOWTM=
 github.com/scylladb/termtables v0.0.0-20191203121021-c4c0b6d42ff4/go.mod h1:C1a7PQSMz9NShzorzCiG2fk9+xuCgLkPeCvMHYR2OWg=
-github.com/spf13/cobra v1.9.1 h1:CXSaggrXdbHK9CF+8ywj8Amf7PBRmPCOJugH954Nnlo=
-github.com/spf13/cobra v1.9.1/go.mod h1:nDyEzZ8ogv936Cinf6g1RU9MRY64Ir93oCnqb9wxYW0=
-github.com/spf13/pflag v1.0.6 h1:jFzHGLGAlb3ruxLB8MhbI6A8+AQX/2eW4qeyNZXNp2o=
-github.com/spf13/pflag v1.0.6/go.mod h1:McXfInJRrz4CZXVZOBLb0bTZqETkiAhM9Iw0y3An2Bg=
+github.com/spf13/cobra v1.10.1 h1:lJeBwCfmrnXthfAupyUTzJ/J4Nc1RsHC/mSRU2dll/s=
+github.com/spf13/cobra v1.10.1/go.mod h1:7SmJGaTHFVBY0jW4NXGluQoLvhqFQM+6XSKD+P4XaB0=
+github.com/spf13/pflag v1.0.9 h1:9exaQaMOCwffKiiiYk6/BndUBv+iRViNW+4lEMi0PvY=
+github.com/spf13/pflag v1.0.9/go.mod h1:McXfInJRrz4CZXVZOBLb0bTZqETkiAhM9Iw0y3An2Bg=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
 github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
-github.com/stretchr/testify v1.8.4 h1:CcVxjf3Q8PM0mHUKJCdn+eZZtm5yQwehR5yeSVQQcUk=
-github.com/stretchr/testify v1.8.4/go.mod h1:sz/lmYIOXD/1dqDmKjjqLyZ2RngseejIcXlSw2iwfAo=
+github.com/stretchr/testify v1.11.1 h1:7s2iGBzp5EwR7/aIZr8ao5+dra3wiQyKjjFuvgVKu7U=
+github.com/stretchr/testify v1.11.1/go.mod h1:wZwfW3scLgRK+23gO65QZefKpKQRnfz6sD981Nm4B6U=
 github.com/tiagomelo/go-clipboard v0.1.2 h1:Ph2icR0vZRIj3v5ExvsGweBwsbbDUTlS6HoF40MkQD8=
 github.com/tiagomelo/go-clipboard v0.1.2/go.mod h1:kXtjJBIMimZaGbxmcKZ8+JqK+acSNf5tAJiChlZBOr8=
 github.com/xo/terminfo v0.0.0-20220910002029-abceb7e1c41e h1:JVG44RsyaB9T2KIHavMF/ppJZNG9ZpyihvCd0w101no=
@@ -118,8 +120,8 @@ golang.org/x/net v0.6.0/go.mod h1:2Tu9+aMcznHK/AK1HMvgo6xiTLG5rD5rZLDS+rp2Bjs=
 golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20220722155255-886fb9371eb4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.1.0/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
-golang.org/x/sync v0.14.0 h1:woo0S4Yywslg6hp4eUFjTVOyKt0RookbpAHG4c1HmhQ=
-golang.org/x/sync v0.14.0/go.mod h1:1dzgHSNfp02xaA81J2MS99Qcpr2w7fw1gpm99rleRqA=
+golang.org/x/sync v0.15.0 h1:KWH3jNZsfyT6xfAfKiz6MRNmd46ByHDYaZ7KSkCtdW8=
+golang.org/x/sync v0.15.0/go.mod h1:1dzgHSNfp02xaA81J2MS99Qcpr2w7fw1gpm99rleRqA=
 golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
@@ -128,8 +130,8 @@ golang.org/x/sys v0.0.0-20220520151302-bc2c85ada10a/go.mod h1:oPkhp1MJrh7nUepCBc
 golang.org/x/sys v0.0.0-20220722155257-8c9f86f7a55f/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.5.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.33.0 h1:q3i8TbbEz+JRD9ywIRlyRAQbM0qF7hu24q3teo2hbuw=
-golang.org/x/sys v0.33.0/go.mod h1:BJP2sWEmIv4KK5OTEluFJCKSidICx8ciO85XgH3Ak8k=
+golang.org/x/sys v0.36.0 h1:KVRy2GtZBrk1cBYA7MKu5bEZFxQk4NIDV6RLVcC8o0k=
+golang.org/x/sys v0.36.0/go.mod h1:OgkHotnGiDImocRcuBABYBEXf8A9a87e/uXjp9XT3ks=
 golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
 golang.org/x/term v0.0.0-20210927222741-03fcf44c2211/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8=
 golang.org/x/term v0.5.0/go.mod h1:jMB1sMXY+tzblOD4FWmEbocvup2/aLOaQEp7JmGp78k=
--- a/lib/filter_test.go
+++ b/lib/filter_test.go
@@ -19,9 +19,9 @@ package lib

 import (
 	"fmt"
-	"reflect"
 	"testing"

+	"github.com/stretchr/testify/assert"
 	"github.com/tlinden/tablizer/cfg"
 )

@@ -56,13 +56,11 @@ func TestMatchPattern(t *testing.T) {
 			}

 			err := conf.PreparePattern(inputdata.patterns)
-			if err != nil {
-				t.Errorf("PreparePattern returned error: %s", err)
-			}

-			if !matchPattern(conf, inputdata.line) {
-				t.Errorf("matchPattern() did not match\nExp: true\nGot: false\n")
-			}
+			assert.NoError(t, err)
+
+			res := matchPattern(conf, inputdata.line)
+			assert.EqualValues(t, true, res)
 		})
 	}
 }
@@ -163,14 +161,12 @@ func TestFilterByFields(t *testing.T) {
 			conf := cfg.Config{Rawfilters: inputdata.filter, InvertMatch: inputdata.invert}

 			err := conf.PrepareFilters()
-			if err != nil {
-				t.Errorf("PrepareFilters returned error: %s", err)
-			}
+
+			assert.NoError(t, err)

 			data, _, _ := FilterByFields(conf, &data)
-			if !reflect.DeepEqual(*data, inputdata.expect) {
-				t.Errorf("Filtered data does not match expected data:\ngot: %+v\nexp: %+v", data, inputdata.expect)
-			}
+
+			assert.EqualValues(t, inputdata.expect, *data)
 		})
 	}
 }
--- a/lib/helpers_test.go
+++ b/lib/helpers_test.go
@@ -19,9 +19,9 @@ package lib

 import (
 	"fmt"
-	"reflect"
 	"testing"

+	"github.com/stretchr/testify/assert"
 	"github.com/tlinden/tablizer/cfg"
 )

@@ -39,9 +39,8 @@ func TestContains(t *testing.T) {
 		testname := fmt.Sprintf("contains-%d,%d,%t", tt.list, tt.search, tt.want)
 		t.Run(testname, func(t *testing.T) {
 			answer := contains(tt.list, tt.search)
-			if answer != tt.want {
-				t.Errorf("got %t, want %t", answer, tt.want)
-			}
+
+			assert.EqualValues(t, tt.want, answer)
 		})
 	}
 }
@@ -77,14 +76,12 @@ func TestPrepareColumns(t *testing.T) {
 		t.Run(testname, func(t *testing.T) {
 			conf := cfg.Config{Columns: testdata.input}
 			err := PrepareColumns(&conf, &data)
-			if err != nil {
-				if !testdata.wanterror {
-					t.Errorf("got error: %v", err)
-				}
+
+			if testdata.wanterror {
+				assert.Error(t, err)
 			} else {
-				if !reflect.DeepEqual(conf.UseColumns, testdata.exp) {
-					t.Errorf("got: %v, expected: %v", conf.UseColumns, testdata.exp)
-				}
+				assert.NoError(t, err)
+				assert.EqualValues(t, testdata.exp, conf.UseColumns)
 			}
 		})
 	}
@@ -153,18 +150,13 @@ func TestPrepareTransposerColumns(t *testing.T) {
 		t.Run(testname, func(t *testing.T) {
 			conf := cfg.Config{TransposeColumns: testdata.input, Transposers: testdata.transp}
 			err := PrepareTransposerColumns(&conf, &data)
-			if err != nil {
-				if !testdata.wanterror {
-					t.Errorf("got error: %v", err)
-				}
-			} else {
-				if len(conf.UseTransposeColumns) != testdata.exp {
-					t.Errorf("got %d, want %d", conf.UseTransposeColumns, testdata.exp)
-				}

-				if len(conf.Transposers) != len(conf.UseTransposeColumns) {
-					t.Errorf("got %d, want %d", conf.UseTransposeColumns, testdata.exp)
-				}
+			if testdata.wanterror {
+				assert.Error(t, err)
+			} else {
+				assert.NoError(t, err)
+				assert.EqualValues(t, testdata.exp, len(conf.UseTransposeColumns))
+				assert.EqualValues(t, len(conf.UseTransposeColumns), len(conf.Transposers))
 			}
 		})
 	}
@@ -202,10 +194,8 @@ func TestReduceColumns(t *testing.T) {
 			c := cfg.Config{Columns: "x", UseColumns: testdata.columns}
 			data := Tabdata{entries: input}
 			reduceColumns(c, &data)
-			if !reflect.DeepEqual(data.entries, testdata.expect) {
-				t.Errorf("reduceColumns returned invalid data:\ngot: %+v\nexp: %+v",
-					data.entries, testdata.expect)
-			}
+
+			assert.EqualValues(t, testdata.expect, data.entries)
 		})
 	}
 }
@@ -233,10 +223,8 @@ func TestNumberizeHeaders(t *testing.T) {
 			conf := cfg.Config{Columns: "x", UseColumns: testdata.columns, Numbering: testdata.numberize}
 			usedata := data
 			numberizeAndReduceHeaders(conf, &usedata)
-			if !reflect.DeepEqual(usedata.headers, testdata.expect) {
-				t.Errorf("numberizeAndReduceHeaders returned invalid data:\ngot: %+v\nexp: %+v",
-					usedata.headers, testdata.expect)
-			}
+
+			assert.EqualValues(t, testdata.expect, usedata.headers)
 		})
 	}
 }
--- a/lib/parser.go
+++ b/lib/parser.go
@@ -1,5 +1,5 @@
 /*
-Copyright © 2022-2024 Thomas von Dein
+Copyright © 2022-2025 Thomas von Dein

 This program is free software: you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
@@ -20,8 +20,11 @@ package lib
 import (
 	"bufio"
 	"encoding/csv"
+	"encoding/json"
+	"errors"
 	"fmt"
 	"io"
+	"log"
 	"regexp"
 	"strings"

@@ -39,6 +42,8 @@ func Parse(conf cfg.Config, input io.Reader) (Tabdata, error) {
 	// first step, parse the data
 	if len(conf.Separator) == 1 {
 		data, err = parseCSV(conf, input)
+	} else if conf.InputJSON {
+		data, err = parseJSON(conf, input)
 	} else {
 		data, err = parseTabular(conf, input)
 	}
@@ -172,6 +177,109 @@ func parseTabular(conf cfg.Config, input io.Reader) (Tabdata, error) {
 	return data, nil
 }

+/*
+Parse JSON input.  We only support an array of  maps.
+*/
+func parseRawJSON(conf cfg.Config, input io.Reader) (Tabdata, error) {
+	dec := json.NewDecoder(input)
+	headers := []string{}
+	idxmap := map[string]int{}
+	data := [][]string{}
+	row := []string{}
+	iskey := true
+	haveheaders := false
+	var currentfield string
+	var idx int
+	var isjson bool
+
+	for {
+		t, err := dec.Token()
+		if err == io.EOF {
+			break
+		}
+		if err != nil {
+			log.Fatal(err)
+		}
+
+		switch val := t.(type) {
+		case string:
+			if iskey {
+				if !haveheaders {
+					// consider only the keys of the first item as headers
+					headers = append(headers, val)
+				}
+				currentfield = val
+			} else {
+				if !haveheaders {
+					// the first row uses the order as it comes in
+					row = append(row, val)
+				} else {
+					// use  the pre-determined  order, that  way items
+					// can be in any order as long as they contain all
+					// neccessary  fields. They may also  contain less
+					// fields than the  first item, these will contain
+					// the empty string
+					row[idxmap[currentfield]] = val
+				}
+			}
+		case json.Delim:
+			if val.String() == "}" {
+				data = append(data, row)
+				row = make([]string, len(headers))
+				idx++
+
+				if !haveheaders {
+					// remember  the array position of  header fields,
+					// which we use to  assign elements to the correct
+					// row index
+					for i, header := range headers {
+						idxmap[header] = i
+					}
+				}
+
+				haveheaders = true
+			}
+			isjson = true
+		}
+
+		iskey = !iskey
+	}
+
+	if isjson && (len(headers) == 0 || len(data) == 0) {
+		return Tabdata{}, errors.New("failed to parse JSON, input did not contain array of hashes")
+	}
+
+	return Tabdata{headers: headers, entries: data, columns: len(headers)}, nil
+}
+
+func parseJSON(conf cfg.Config, input io.Reader) (Tabdata, error) {
+	// parse raw json
+	data, err := parseRawJSON(conf, input)
+	if err != nil {
+		return data, err
+	}
+
+	// apply filter, if any
+	filtered := [][]string{}
+	var line string
+
+	for _, row := range data.entries {
+		line = strings.Join(row, " ")
+
+		if matchPattern(conf, line) == conf.InvertMatch {
+			continue
+		}
+
+		filtered = append(filtered, row)
+	}
+
+	if len(filtered) != len(data.entries) {
+		data.entries = filtered
+	}
+
+	return data, nil
+}
+
 func PostProcess(conf cfg.Config, data *Tabdata) (*Tabdata, bool, error) {
 	var modified bool

--- a/lib/parser_test.go
+++ b/lib/parser_test.go
@@ -1,5 +1,5 @@
 /*
-Copyright © 2022 Thomas von Dein
+Copyright © 2022-2025 Thomas von Dein

 This program is free software: you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
@@ -19,10 +19,11 @@ package lib

 import (
 	"fmt"
-	"reflect"
+	"io"
 	"strings"
 	"testing"

+	"github.com/stretchr/testify/assert"
 	"github.com/tlinden/tablizer/cfg"
 )

@@ -67,27 +68,21 @@ func TestParser(t *testing.T) {
 		t.Run(testname, func(t *testing.T) {
 			readFd := strings.NewReader(strings.TrimSpace(testdata.text))
 			conf := cfg.Config{Separator: testdata.separator}
-			gotdata, err := Parse(conf, readFd)
+			gotdata, err := wrapValidateParser(conf, readFd)

-			if err != nil {
-				t.Errorf("Parser returned error: %s\nData processed so far: %+v", err, gotdata)
-			}
-
-			if !reflect.DeepEqual(data, gotdata) {
-				t.Errorf("Parser returned invalid data\nExp: %+v\nGot: %+v\n",
-					data, gotdata)
-			}
+			assert.NoError(t, err)
+			assert.EqualValues(t, data, gotdata)
 		})
 	}
 }

 func TestParserPatternmatching(t *testing.T) {
 	var tests = []struct {
-		name     string
-		entries  [][]string
-		patterns []*cfg.Pattern
-		invert   bool
-		want     bool
+		name      string
+		entries   [][]string
+		patterns  []*cfg.Pattern
+		invert    bool
+		wanterror bool
 	}{
 		{
 			name: "match",
@@ -121,18 +116,13 @@ func TestParserPatternmatching(t *testing.T) {
 				_ = conf.PreparePattern(testdata.patterns)

 				readFd := strings.NewReader(strings.TrimSpace(inputdata.text))
-				gotdata, err := Parse(conf, readFd)
+				data, err := wrapValidateParser(conf, readFd)

-				if err != nil {
-					if !testdata.want {
-						t.Errorf("Parser returned error: %s\nData processed so far: %+v",
-							err, gotdata)
-					}
+				if testdata.wanterror {
+					assert.Error(t, err)
 				} else {
-					if !reflect.DeepEqual(testdata.entries, gotdata.entries) {
-						t.Errorf("Parser returned invalid data (pattern: %s, invert: %t)\nExp: %+v\nGot: %+v\n",
-							testdata.name, testdata.invert, testdata.entries, gotdata.entries)
-					}
+					assert.NoError(t, err)
+					assert.EqualValues(t, testdata.entries, data.entries)
 				}
 			})
 		}
@@ -159,14 +149,147 @@ asd    igig

 	readFd := strings.NewReader(strings.TrimSpace(table))
 	conf := cfg.Config{Separator: cfg.DefaultSeparator}
-	gotdata, err := Parse(conf, readFd)
+	gotdata, err := wrapValidateParser(conf, readFd)

-	if err != nil {
-		t.Errorf("Parser returned error: %s\nData processed so far: %+v", err, gotdata)
+	assert.NoError(t, err)
+	assert.EqualValues(t, data, gotdata)
+}
+
+func TestParserJSONInput(t *testing.T) {
+	var tests = []struct {
+		name      string
+		input     string
+		expect    Tabdata
+		wanterror bool // true: expect fail, false: expect success
+	}{
+		{
+			// too deep nesting
+			name:      "invalidjson",
+			wanterror: true,
+			input: `[
+  {
+    "item": {
+       "NAME": "postgres-operator-7f4c7c8485-ntlns",
+       "READY": "1/1",
+       "STATUS": "Running",
+       "RESTARTS": "0",
+       "AGE": "24h"
+    }
+  }
+`,
+			expect: Tabdata{},
+		},
+
+		{
+			// one field missing + different order
+			// but shall not fail
+			name:      "kgpfail",
+			wanterror: false,
+			input: `[
+  {
+    "NAME": "postgres-operator-7f4c7c8485-ntlns",
+    "READY": "1/1",
+    "STATUS": "Running",
+    "RESTARTS": "0",
+    "AGE": "24h"
+  },
+  {
+    "NAME": "wal-g-exporter-778dcd95f5-wcjzn",
+    "RESTARTS": "0",
+    "READY": "1/1",
+    "AGE": "24h"
+  }
+]`,
+			expect: Tabdata{
+				columns: 5,
+				headers: []string{"NAME", "READY", "STATUS", "RESTARTS", "AGE"},
+				entries: [][]string{
+					[]string{
+						"postgres-operator-7f4c7c8485-ntlns",
+						"1/1",
+						"Running",
+						"0",
+						"24h",
+					},
+					[]string{
+						"wal-g-exporter-778dcd95f5-wcjzn",
+						"1/1",
+						"",
+						"0",
+						"24h",
+					},
+				},
+			},
+		},
+
+		{
+			name:      "kgp",
+			wanterror: false,
+			input: `[
+  {
+    "NAME": "postgres-operator-7f4c7c8485-ntlns",
+    "READY": "1/1",
+    "STATUS": "Running",
+    "RESTARTS": "0",
+    "AGE": "24h"
+  },
+  {
+    "NAME": "wal-g-exporter-778dcd95f5-wcjzn",
+    "STATUS": "Running",
+    "READY": "1/1",
+    "RESTARTS": "0",
+    "AGE": "24h"
+  }
+]`,
+			expect: Tabdata{
+				columns: 5,
+				headers: []string{"NAME", "READY", "STATUS", "RESTARTS", "AGE"},
+				entries: [][]string{
+					[]string{
+						"postgres-operator-7f4c7c8485-ntlns",
+						"1/1",
+						"Running",
+						"0",
+						"24h",
+					},
+					[]string{
+						"wal-g-exporter-778dcd95f5-wcjzn",
+						"1/1",
+						"Running",
+						"0",
+						"24h",
+					},
+				},
+			},
+		},
 	}

-	if !reflect.DeepEqual(data, gotdata) {
-		t.Errorf("Parser returned invalid data, Regex: %s\nExp: %+v\nGot: %+v\n",
-			conf.Separator, data, gotdata)
+	for _, testdata := range tests {
+		testname := fmt.Sprintf("parse-json-%s", testdata.name)
+		t.Run(testname, func(t *testing.T) {
+			conf := cfg.Config{InputJSON: true}
+
+			readFd := strings.NewReader(strings.TrimSpace(testdata.input))
+			data, err := wrapValidateParser(conf, readFd)
+
+			if testdata.wanterror {
+				assert.Error(t, err)
+			} else {
+				assert.NoError(t, err)
+				assert.EqualValues(t, testdata.expect, data)
+			}
+		})
 	}
 }
+
+func wrapValidateParser(conf cfg.Config, input io.Reader) (Tabdata, error) {
+	data, err := Parse(conf, input)
+
+	if err != nil {
+		return data, err
+	}
+
+	err = ValidateConsistency(&data)
+
+	return data, err
+}
--- a/lib/printer.go
+++ b/lib/printer.go
@@ -62,7 +62,7 @@ func printData(writer io.Writer, conf cfg.Config, data *Tabdata) {
 	case cfg.Yaml:
 		printYamlData(writer, data)
 	case cfg.CSV:
-		printCSVData(writer, data)
+		printCSVData(writer, conf, data)
 	default:
 		printASCIIData(writer, conf, data)
 	}
@@ -194,6 +194,11 @@ func printMarkdownData(writer io.Writer, conf cfg.Config, data *Tabdata) {
 Simple ASCII table without any borders etc, just like the input we expect
 */
 func printASCIIData(writer io.Writer, conf cfg.Config, data *Tabdata) {
+	OFS := "  "
+	if conf.OFS != "" {
+		OFS = conf.OFS
+	}
+
 	tableString := &strings.Builder{}

 	styleTSV := tw.NewSymbolCustom("space").WithColumn("\t")
@@ -204,8 +209,8 @@ func printASCIIData(writer io.Writer, conf cfg.Config, data *Tabdata) {
 				Borders: tw.BorderNone,
 				Symbols: styleTSV,
 				Settings: tw.Settings{
-					Separators: tw.Separators{BetweenRows: tw.Off, BetweenColumns: tw.On},
-					Lines:      tw.Lines{ShowFooterLine: tw.Off, ShowHeaderLine: tw.Off},
+					Separators: tw.SeparatorsNone,
+					Lines:      tw.LinesNone,
 				},
 			})),
 		tablewriter.WithConfig(tablewriter.Config{
@@ -213,23 +218,18 @@ func printASCIIData(writer io.Writer, conf cfg.Config, data *Tabdata) {
 				Formatting: tw.CellFormatting{
 					AutoFormat: tw.Off,
 				},
-				Padding: tw.CellPadding{
-					Global: tw.Padding{Left: "", Right: ""},
-				},
+				Padding: tw.CellPadding{Global: tw.Padding{Left: "", Right: OFS}},
 			},
 			Row: tw.CellConfig{
 				Formatting: tw.CellFormatting{
 					AutoWrap:  tw.WrapNone,
 					Alignment: tw.AlignLeft,
 				},
-				Padding: tw.CellPadding{
-					Global: tw.Padding{Left: "", Right: ""},
-				},
+				Padding: tw.CellPadding{Global: tw.Padding{Right: OFS}},
 			},

 			Debug: true,
 		}),
-		tablewriter.WithPadding(tw.PaddingNone),
 	)

 	if !conf.NoHeaders {
@@ -328,8 +328,14 @@ func printYamlData(writer io.Writer, data *Tabdata) {
 	output(writer, string(yamlstr))
 }

-func printCSVData(writer io.Writer, data *Tabdata) {
+func printCSVData(writer io.Writer, conf cfg.Config, data *Tabdata) {
+	OFS := ","
+	if conf.OFS != "" {
+		OFS = conf.OFS
+	}
+
 	csvout := csv.NewWriter(writer)
+	csvout.Comma = []rune(OFS)[0]

 	if err := csvout.Write(data.headers); err != nil {
 		log.Fatalln("error writing record to csv:", err)
--- a/lib/printer_test.go
+++ b/lib/printer_test.go
@@ -23,6 +23,7 @@ import (
 	"strings"
 	"testing"

+	"github.com/stretchr/testify/assert"
 	"github.com/tlinden/tablizer/cfg"
 )

@@ -77,10 +78,10 @@ var tests = []struct {
 		numberize: true,
 		name:      "default",
 		expect: `
-NAME(1)	DURATION(2)	COUNT(3)	WHEN(4)                   
-beta   	1d10h5m1s  	33      	3/1/2014                  
-alpha  	4h35m      	170     	2013-Feb-03               
-ceta   	33d12h     	9       	06/Jan/2008 15:04:05 -0700`,
+NAME(1) DURATION(2) COUNT(3) WHEN(4)                    
+beta    1d10h5m1s   33       3/1/2014                   
+alpha   4h35m       170      2013-Feb-03                
+ceta    33d12h      9        06/Jan/2008 15:04:05 -0700`,
 	},
 	{
 		mode:      cfg.CSV,
@@ -173,10 +174,10 @@ DURATION(2): 33d12h
 		numberize: true,
 		desc:      false,
 		expect: `
-NAME(1)	DURATION(2)	COUNT(3)	WHEN(4)                   
-ceta   	33d12h     	9       	06/Jan/2008 15:04:05 -0700
-beta   	1d10h5m1s  	33      	3/1/2014                  
-alpha  	4h35m      	170     	2013-Feb-03`,
+NAME(1) DURATION(2) COUNT(3) WHEN(4)                    
+ceta    33d12h      9        06/Jan/2008 15:04:05 -0700 
+beta    1d10h5m1s   33       3/1/2014                   
+alpha   4h35m       170      2013-Feb-03`,
 	},
 	{
 		name:      "sortbycolumn4",
@@ -185,10 +186,10 @@ alpha  	4h35m      	170     	2013-Feb-03`,
 		desc:      false,
 		numberize: true,
 		expect: `
-NAME(1)	DURATION(2)	COUNT(3)	WHEN(4)                   
-ceta   	33d12h     	9       	06/Jan/2008 15:04:05 -0700
-alpha  	4h35m      	170     	2013-Feb-03               
-beta   	1d10h5m1s  	33      	3/1/2014`,
+NAME(1) DURATION(2) COUNT(3) WHEN(4)                    
+ceta    33d12h      9        06/Jan/2008 15:04:05 -0700 
+alpha   4h35m       170      2013-Feb-03                
+beta    1d10h5m1s   33       3/1/2014`,
 	},
 	{
 		name:      "sortbycolumn2",
@@ -197,10 +198,10 @@ beta   	1d10h5m1s  	33      	3/1/2014`,
 		numberize: true,
 		desc:      false,
 		expect: `
-NAME(1)	DURATION(2)	COUNT(3)	WHEN(4)                   
-alpha  	4h35m      	170     	2013-Feb-03               
-beta   	1d10h5m1s  	33      	3/1/2014                  
-ceta   	33d12h     	9       	06/Jan/2008 15:04:05 -0700`,
+NAME(1) DURATION(2) COUNT(3) WHEN(4)                    
+alpha   4h35m       170      2013-Feb-03                
+beta    1d10h5m1s   33       3/1/2014                   
+ceta    33d12h      9        06/Jan/2008 15:04:05 -0700`,
 	},

 	//  -----------------------  UseColumns Tests
@@ -210,44 +211,44 @@ ceta   	33d12h     	9       	06/Jan/2008 15:04:05 -0700`,
 		numberize: true,
 		usecolstr: "1,4",
 		expect: `
-NAME(1)	WHEN(4)                   
-beta   	3/1/2014                  
-alpha  	2013-Feb-03               
-ceta   	06/Jan/2008 15:04:05 -0700`,
+NAME(1) WHEN(4)                    
+beta    3/1/2014                   
+alpha   2013-Feb-03                
+ceta    06/Jan/2008 15:04:05 -0700`,
 	},
 	{
-		name:      "usecolumns",
+		name:      "usecolumns2",
 		usecol:    []int{2},
 		numberize: true,
 		usecolstr: "2",
 		expect: `
-DURATION(2)
-1d10h5m1s  
-4h35m      
+DURATION(2) 
+1d10h5m1s   
+4h35m       
 33d12h`,
 	},
 	{
-		name:      "usecolumns",
+		name:      "usecolumns3",
 		usecol:    []int{3},
 		numberize: true,
 		usecolstr: "3",
 		expect: `
-COUNT(3)
-33      
-170     
+COUNT(3) 
+33       
+170      
 9`,
 	},
 	{
-		name:      "usecolumns",
+		name:      "usecolumns4",
 		column:    0,
 		usecol:    []int{1, 3},
 		numberize: true,
 		usecolstr: "1,3",
 		expect: `
-NAME(1)	COUNT(3)
-beta   	33      
-alpha  	170     
-ceta   	9`,
+NAME(1) COUNT(3) 
+beta    33       
+alpha   170      
+ceta    9`,
 	},
 	{
 		name:      "usecolumns",
@@ -255,10 +256,10 @@ ceta   	9`,
 		numberize: true,
 		usecolstr: "2,4",
 		expect: `
-DURATION(2)	WHEN(4)                   
-1d10h5m1s  	3/1/2014                  
-4h35m      	2013-Feb-03               
-33d12h     	06/Jan/2008 15:04:05 -0700`,
+DURATION(2) WHEN(4)                    
+1d10h5m1s   3/1/2014                   
+4h35m       2013-Feb-03                
+33d12h      06/Jan/2008 15:04:05 -0700`,
 	},
 }

@@ -280,6 +281,11 @@ func TestPrinter(t *testing.T) {
 				Numbering:      testdata.numberize,
 				UseColumns:     testdata.usecol,
 				NoColor:        true,
+				OFS:            " ",
+			}
+
+			if conf.OutputMode == cfg.CSV {
+				conf.OFS = ","
 			}

 			if testdata.column > 0 {
@@ -302,10 +308,7 @@ func TestPrinter(t *testing.T) {

 			got := strings.TrimSpace(writer.String())

-			if got != exp {
-				t.Errorf("not rendered correctly:\n+++ got:\n%s\n+++ want:\n%s",
-					got, exp)
-			}
+			assert.EqualValues(t, exp, got)
 		})
 	}
 }
--- a/lib/sort_test.go
+++ b/lib/sort_test.go
@@ -21,6 +21,7 @@ import (
 	"fmt"
 	"testing"

+	"github.com/stretchr/testify/assert"
 	"github.com/tlinden/tablizer/cfg"
 )

@@ -41,9 +42,7 @@ func TestDuration2Seconds(t *testing.T) {
 		testname := fmt.Sprintf("duration-%s", testdata.dur)
 		t.Run(testname, func(t *testing.T) {
 			seconds := duration2int(testdata.dur)
-			if seconds != testdata.expect {
-				t.Errorf("got %d, want %d", seconds, testdata.expect)
-			}
+			assert.EqualValues(t, testdata.expect, seconds)
 		})
 	}
 }
@@ -74,9 +73,7 @@ func TestCompare(t *testing.T) {
 		t.Run(testname, func(t *testing.T) {
 			c := cfg.Config{SortMode: testdata.mode, SortDescending: testdata.desc}
 			got := compare(&c, testdata.a, testdata.b)
-			if got != testdata.want {
-				t.Errorf("got %d, want %d", got, testdata.want)
-			}
+			assert.EqualValues(t, testdata.want, got)
 		})
 	}
 }
--- a/lib/tableeditor.go
+++ b/lib/tableeditor.go
@@ -25,11 +25,18 @@ import (
 	tea "github.com/charmbracelet/bubbletea"
 	"github.com/charmbracelet/lipgloss"
 	"github.com/evertras/bubble-table/table"
+	"github.com/mattn/go-isatty"
 	"github.com/tlinden/tablizer/cfg"
 )

-type FilterTable struct {
-	Table table.Model
+// The context exists outside of the bubble loop, and is being used as
+// pointer reciever. That way we can use it as our primary storage
+// container.
+type Context struct {
+	selectedColumn int
+	showHelp       bool
+	descending     bool
+	data           *Tabdata

 	// Window dimensions
 	totalWidth  int
@@ -38,23 +45,53 @@ type FilterTable struct {
 	// Table dimensions
 	horizontalMargin int
 	verticalMargin   int
+}
+
+// Execute tablizer sort function, feed it with fresh config, we do
+// NOT use the existing runtime config, because sorting is
+// configurable in the UI separately.
+func (ctx *Context) Sort(mode string) {
+	conf := cfg.Config{
+		SortMode:        mode,
+		SortDescending:  ctx.descending,
+		UseSortByColumn: []int{ctx.selectedColumn + 1},
+	}
+
+	ctx.descending = !ctx.descending
+
+	sortTable(conf, ctx.data)
+}
+
+// The actual table model, holds the context pointer, a copy of the
+// pre-processed data and some flags
+type FilterTable struct {
+	Table table.Model

 	Rows int

 	quitting  bool
 	unchanged bool
+
+	maxColumns int
+	headerIdx  map[string]int
+
+	ctx *Context
+
+	columns []table.Column
 }

+type HelpLine []string
+type HelpColumn []HelpLine
+
 const (
-	// Add a fixed margin to account for description & instructions
-	fixedVerticalMargin = 0
+	// header+footer
+	ExtraRows = 5

-	ExtraRows = 8
-
-	HELP = "/:filter esc:clear-filter q:commit c-c:abort space:select a:select-all | "
+	HelpFooter = "?:help | "
 )

 var (
+	// we use our own custom border style
 	customBorder = table.Border{
 		Top:    "─",
 		Left:   "│",
@@ -74,16 +111,103 @@ var (

 		InnerDivider: "│",
 	}
+
+	// Cells in selected columns will be highlighted
+	StyleSelected = lipgloss.NewStyle().
+			Background(lipgloss.Color("#696969")).
+			Foreground(lipgloss.Color("#ffffff")).
+			Align(lipgloss.Left)
+
+	StyleHeader = lipgloss.NewStyle().
+			Foreground(lipgloss.Color("#ff4500")).
+			Align(lipgloss.Left).Bold(true)
+
+	// help buffer styles
+	StyleKey  = lipgloss.NewStyle().Bold(true)
+	StyleHelp = lipgloss.NewStyle().Foreground(lipgloss.Color("#ff4500"))
+
+	// the default style
+	NoStyle = lipgloss.NewStyle().Align(lipgloss.Left)
+
+	HelpData = []HelpColumn{
+		{
+			HelpLine{"up", "navigate up"},
+			HelpLine{"down", "navigate down"},
+			HelpLine{"tab", "navigate columns"},
+		},
+		{
+			HelpLine{"s", "sort alpha-numerically"},
+			HelpLine{"n", "sort numerically"},
+			HelpLine{"t", "sort by time"},
+			HelpLine{"d", "sort by duration"},
+		},
+		{
+			HelpLine{"spc", "[de]select a row"},
+			HelpLine{"a", "[de]select all visible rows"},
+			HelpLine{"f", "enter fuzzy filter"},
+			HelpLine{"esc", "finish filter input"},
+		},
+		{
+			HelpLine{"?", "show help buffer"},
+			HelpLine{"q", "commit and quit"},
+			HelpLine{"c-c", "discard and quit"},
+		},
+	}
+
+	// rendered from Help above
+	Help = ""
+
+	// number of lines taken by help below, adjust accordingly!
+	HelpRows = 0
 )

-func NewModel(data *Tabdata) FilterTable {
+// generate  a  lipgloss  styled  help buffer  consisting  of  various
+// columns
+func generateHelp() {
+	help := strings.Builder{}
+	helpcols := []string{}
+	maxrows := 0
+
+	for _, col := range HelpData {
+		help.Reset()
+
+		// determine max key width to avoid excess spaces between keys and help
+		keylen := 0
+		for _, line := range col {
+			if len(line[0]) > keylen {
+				keylen = len(line[0])
+			}
+		}
+
+		keylenstr := fmt.Sprintf("%d", keylen)
+
+		for _, line := range col {
+			// 0: key, 1: help text
+			help.WriteString(StyleKey.Render(fmt.Sprintf("%-"+keylenstr+"s", line[0])))
+			help.WriteString("  " + StyleHelp.Render(line[1]) + "   \n")
+		}
+
+		helpcols = append(helpcols, help.String())
+
+		if len(col) > maxrows {
+			maxrows = len(col)
+		}
+	}
+
+	HelpRows = maxrows + 1
+	Help = "\n" + lipgloss.JoinHorizontal(lipgloss.Top, helpcols...)
+}
+
+// initializes the table model
+func NewModel(data *Tabdata, ctx *Context) FilterTable {
 	columns := make([]table.Column, len(data.headers))
-	rows := make([]table.Row, len(data.entries))
 	lengths := make([]int, len(data.headers))
+	hidx := make(map[string]int, len(data.headers))

 	// give columns at least the header width
 	for idx, header := range data.headers {
 		lengths[idx] = len(header)
+		hidx[strings.ToLower(header)] = idx
 	}

 	// determine max width per column
@@ -95,45 +219,53 @@ func NewModel(data *Tabdata) FilterTable {
 		}
 	}

-	// setup column data
-	for idx, header := range data.headers {
-		columns[idx] = table.NewColumn(strings.ToLower(header), header, lengths[idx]+2).
-			WithFiltered(true)
-	}
-
-	// setup table data
-	for idx, entry := range data.entries {
-		rowdata := make(table.RowData, len(entry))
-
-		for i, cell := range entry {
-			rowdata[strings.ToLower(data.headers[i])] = cell + " "
+	// determine flexFactor with base 10, used by flexColumns
+	for i, len := range lengths {
+		if len <= 10 {
+			lengths[i] = 1
+		} else {
+			lengths[i] = len / 10
 		}
-
-		rows[idx] = table.NewRow(rowdata)
 	}

-	keys := table.DefaultKeyMap()
-	keys.RowDown.SetKeys("j", "down", "s")
-	keys.RowUp.SetKeys("k", "up", "w")
-
-	// our final interactive table filled with our prepared data
-	return FilterTable{
-		Table: table.New(columns).
-			WithRows(rows).
-			WithKeyMap(keys).
-			Filtered(true).
-			Focused(true).
-			SelectableRows(true).
-			WithSelectedText(" ", "✓").
-			WithFooterVisibility(true).
-			WithHeaderVisibility(true).
-			Border(customBorder),
-		horizontalMargin: 10,
-		Rows:             len(data.entries),
+	// setup column data with flexColumns
+	for idx, header := range data.headers {
+		columns[idx] = table.NewFlexColumn(
+			strings.ToLower(header),
+			StyleHeader.Render(header),
+			lengths[idx]).WithFiltered(true).WithStyle(NoStyle)
 	}
+
+	// separate variable so we can share the row filling code
+	filtertbl := FilterTable{
+		maxColumns: len(data.headers),
+		Rows:       len(data.entries),
+		headerIdx:  hidx,
+		ctx:        ctx,
+		columns:    columns,
+	}
+
+	filtertbl.Table = table.New(columns)
+	filtertbl.fillRows()
+
+	// finally construct help buffer
+	generateHelp()
+
+	return filtertbl
 }

-func (m FilterTable) ToggleSelected() {
+// Applied to every cell on every change (TAB,up,down key, resize
+// event etc)
+func CellController(input table.StyledCellFuncInput, m FilterTable) lipgloss.Style {
+	if m.headerIdx[input.Column.Key()] == m.ctx.selectedColumn {
+		return StyleSelected
+	}
+
+	return NoStyle
+}
+
+// Selects or deselects ALL rows
+func (m *FilterTable) ToggleAllSelected() {
 	rows := m.Table.GetVisibleRows()
 	selected := m.Table.SelectedRows()

@@ -150,10 +282,56 @@ func (m FilterTable) ToggleSelected() {
 	m.Table.WithRows(rows)
 }

+// ? pressed, display help message
+func (m FilterTable) ToggleHelp() {
+	m.ctx.showHelp = !m.ctx.showHelp
+}
+
 func (m FilterTable) Init() tea.Cmd {
 	return nil
 }

+// Forward call to context sort
+func (m *FilterTable) Sort(mode string) {
+	m.ctx.Sort(mode)
+	m.fillRows()
+}
+
+// Fills the table rows with our data. Called once on startup and
+// repeatedly if the user changes the sort order in some way
+func (m *FilterTable) fillRows() {
+	// required to be able to feed the model to the controller
+	controllerWrapper := func(input table.StyledCellFuncInput) lipgloss.Style {
+		return CellController(input, *m)
+	}
+
+	// fill the rows with style
+	rows := make([]table.Row, len(m.ctx.data.entries))
+	for idx, entry := range m.ctx.data.entries {
+		rowdata := make(table.RowData, len(entry))
+
+		for i, cell := range entry {
+			rowdata[strings.ToLower(m.ctx.data.headers[i])] =
+				table.NewStyledCellWithStyleFunc(cell+" ", controllerWrapper)
+		}
+
+		rows[idx] = table.NewRow(rowdata)
+	}
+
+	m.Table = m.Table.
+		WithRows(rows).
+		Filtered(true).
+		WithFuzzyFilter().
+		Focused(true).
+		SelectableRows(true).
+		WithSelectedText(" ", "✓").
+		WithFooterVisibility(true).
+		WithHeaderVisibility(true).
+		HighlightStyle(StyleSelected).
+		Border(customBorder)
+}
+
+// Part of the bubbletea event loop, called every tick
 func (m FilterTable) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
 	var (
 		cmd  tea.Cmd
@@ -163,6 +341,8 @@ func (m FilterTable) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
 	m.Table, cmd = m.Table.Update(msg)
 	cmds = append(cmds, cmd)

+	// If the user is about to enter filter text, do NOT respond to
+	// key bindings, as they might be part of the filter!
 	if !m.Table.GetIsFilterInputFocused() {
 		switch msg := msg.(type) {
 		case tea.KeyMsg:
@@ -178,23 +358,48 @@ func (m FilterTable) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
 				cmds = append(cmds, tea.Quit)

 			case "a":
-				m.ToggleSelected()
-			}
-		case tea.WindowSizeMsg:
-			m.totalWidth = msg.Width
-			m.totalHeight = msg.Height
+				m.ToggleAllSelected()

-			m.recalculateTable()
+			case "tab":
+				m.SelectNextColumn()
+
+			case "?":
+				m.ToggleHelp()
+				m.recalculateTable()
+
+			case "s":
+				m.Sort("alphanumeric")
+
+			case "n":
+				m.Sort("numeric")
+
+			case "d":
+				m.Sort("duration")
+
+			case "t":
+				m.Sort("time")
+			}
 		}
 	}
+
+	// Happens when the terminal window has been resized
+	switch msg := msg.(type) {
+	case tea.WindowSizeMsg:
+		m.ctx.totalWidth = msg.Width
+		m.ctx.totalHeight = msg.Height
+
+		m.recalculateTable()
+	}
+
 	m.updateFooter()

 	return m, tea.Batch(cmds...)
 }

+// Add some info to the footer
 func (m *FilterTable) updateFooter() {
 	selected := m.Table.SelectedRows()
-	footer := fmt.Sprintf("selected: %d", len(selected))
+	footer := fmt.Sprintf("selected: %d ", len(selected))

 	if m.Table.GetIsFilterInputFocused() {
 		footer = fmt.Sprintf("/%s %s", m.Table.GetCurrentFilter(), footer)
@@ -202,9 +407,10 @@ func (m *FilterTable) updateFooter() {
 		footer = fmt.Sprintf("Filter: %s %s", m.Table.GetCurrentFilter(), footer)
 	}

-	m.Table = m.Table.WithStaticFooter(HELP + footer)
+	m.Table = m.Table.WithStaticFooter(HelpFooter + footer)
 }

+// Called on resize event (or if help has been toggled)
 func (m *FilterTable) recalculateTable() {
 	m.Table = m.Table.
 		WithTargetWidth(m.calculateWidth()).
@@ -212,37 +418,76 @@ func (m *FilterTable) recalculateTable() {
 		WithPageSize(m.calculateHeight() - ExtraRows)
 }

-func (m FilterTable) calculateWidth() int {
-	return m.totalWidth - m.horizontalMargin
+func (m *FilterTable) calculateWidth() int {
+	return m.ctx.totalWidth - m.ctx.horizontalMargin
 }

-func (m FilterTable) calculateHeight() int {
-	if m.Rows+ExtraRows < m.totalHeight {
-		// FIXME: avoid full screen somehow
-		return m.Rows + ExtraRows
+// Take help height into account, if enabled
+func (m *FilterTable) calculateHeight() int {
+	height := m.Rows + ExtraRows
+
+	if height >= m.ctx.totalHeight {
+		height = m.ctx.totalHeight - m.ctx.verticalMargin
+	} else {
+		height = m.ctx.totalHeight
 	}

-	return m.totalHeight - m.verticalMargin - fixedVerticalMargin
+	if m.ctx.showHelp {
+		height = height - HelpRows
+	}
+
+	return height
 }

+// Part of the bubbletable event view, called every tick
 func (m FilterTable) View() string {
 	body := strings.Builder{}

 	if !m.quitting {
 		body.WriteString(m.Table.View())
+
+		if m.ctx.showHelp {
+			body.WriteString(Help)
+		}
 	}

 	return body.String()
 }

+// User hit the TAB key
+func (m *FilterTable) SelectNextColumn() {
+	if m.ctx.selectedColumn == m.maxColumns-1 {
+		m.ctx.selectedColumn = 0
+	} else {
+		m.ctx.selectedColumn++
+	}
+}
+
+// entry point from outside tablizer into table editor
 func tableEditor(conf *cfg.Config, data *Tabdata) (*Tabdata, error) {
 	// we render to STDERR to avoid dead lock when the user redirects STDOUT
 	// see https://github.com/charmbracelet/bubbletea/issues/860
-	lipgloss.SetDefaultRenderer(lipgloss.NewRenderer(os.Stderr))
+	//
+	// TODO: doesn't work with libgloss v2 anymore!

+	out := os.Stderr
+
+	if isatty.IsTerminal(os.Stdout.Fd()) {
+		out = os.Stdout
+	}
+
+	lipgloss.SetDefaultRenderer(lipgloss.NewRenderer(out))
+
+	ctx := &Context{data: data}
+
+	// Output to  STDERR because  there's a  known bubbletea/lipgloss
+	// issue: if  a program with a tui is  expected to write something
+	// to STDOUT when the tui is finished, then the styles do not
+	// work. So we write to STDERR (which works) and tablizer can
+	// still be used inside pipes.
 	program := tea.NewProgram(
-		NewModel(data),
-		tea.WithOutput(os.Stderr),
+		NewModel(data, ctx),
+		tea.WithOutput(out),
 		tea.WithAltScreen())

 	m, err := program.Run()
@@ -255,13 +500,21 @@ func tableEditor(conf *cfg.Config, data *Tabdata) (*Tabdata, error) {
 		return data, err
 	}

-	table := m.(FilterTable).Table
-	data.entries = make([][]string, len(table.SelectedRows()))
+	// Data has been modified. Extract it, put it back into our own
+	// structure and give control back to cmdline tablizer.
+	filteredtable := m.(FilterTable)

+	data.entries = make([][]string, len(filteredtable.Table.SelectedRows()))
 	for pos, row := range m.(FilterTable).Table.SelectedRows() {
 		entry := make([]string, len(data.headers))
 		for idx, field := range data.headers {
-			entry[idx] = row.Data[strings.ToLower(field)].(string)
+			cell := row.Data[strings.ToLower(field)]
+			switch value := cell.(type) {
+			case string:
+				entry[idx] = value
+			case table.StyledCell:
+				entry[idx] = value.Data.(string)
+			}
 		}

 		data.entries[pos] = entry
--- a/lib/yank_test.go
+++ b/lib/yank_test.go
@@ -22,6 +22,7 @@ import (
 	"fmt"
 	"testing"

+	"github.com/stretchr/testify/assert"
 	"github.com/tiagomelo/go-clipboard/clipboard"
 	"github.com/tlinden/tablizer/cfg"
 )
@@ -59,14 +60,9 @@ func DISABLED_TestYankColumns(t *testing.T) {
 			printData(&writer, conf, &data)

 			got, err := cb.PasteText()
-			if err != nil {
-				t.Errorf("failed to fetch yanked text from clipboard")
-			}

-			if got != testdata.expect {
-				t.Errorf("not yanked correctly:\n+++ got:\n%s\n+++ want:\n%s",
-					got, testdata.expect)
-			}
+			assert.NoError(t, err)
+			assert.EqualValues(t, testdata.expect, got)
 		})
 	}
 }
--- a/tablizer.1
+++ b/tablizer.1
@@ -133,7 +133,7 @@
 .\" ========================================================================
 .\"
 .IX Title "TABLIZER 1"
-.TH TABLIZER 1 "2025-08-28" "1" "User Commands"
+.TH TABLIZER 1 "2025-10-01" "1" "User Commands"
 .\" For nroff, turn off justification.  Always turn off hyphenation; it makes
 .\" way too many mistakes in technical documents.
 .if n .ad l
@@ -144,47 +144,50 @@ tablizer \- Manipulate tabular output of other programs
 .IX Header "SYNOPSIS"
 .Vb 2
 \&    Usage:
-\&      tablizer [regex,...] [file, ...] [flags]
+\&      tablizer [regex,...] [\-r file] [flags]
 \&    
 \&    Operational Flags:
-\&      \-c, \-\-columns string              Only show the speficied columns (separated by ,)
-\&      \-v, \-\-invert\-match                select non\-matching rows
-\&      \-n, \-\-numbering                   Enable header numbering
-\&      \-N, \-\-no\-color                    Disable pattern highlighting
-\&      \-H, \-\-no\-headers                  Disable headers display
-\&      \-s, \-\-separator string            Custom field separator
-\&      \-k, \-\-sort\-by int|name            Sort by column (default: 1)
-\&      \-z, \-\-fuzzy                       Use fuzzy search [experimental]
-\&      \-F, \-\-filter field[!]=reg         Filter given field with regex, can be used multiple times
-\&      \-T, \-\-transpose\-columns string    Transpose the speficied columns (separated by ,)
-\&      \-R, \-\-regex\-transposer /from/to/  Apply /search/replace/ regexp to fields given in \-T
-\&      \-I, \-\-interactive                 Interactively filter and select rows
+\&      \-c, \-\-columns string               Only show the speficied columns (separated by ,)
+\&      \-v, \-\-invert\-match                 select non\-matching rows
+\&      \-n, \-\-numbering                    Enable header numbering
+\&      \-N, \-\-no\-color                     Disable pattern highlighting
+\&      \-H, \-\-no\-headers                   Disable headers display
+\&      \-s, \-\-separator <string>           Custom field separator
+\&      \-k, \-\-sort\-by <int|name>           Sort by column (default: 1)
+\&      \-z, \-\-fuzzy                        Use fuzzy search [experimental]
+\&      \-F, \-\-filter <field[!]=reg>        Filter given field with regex, can be used multiple times
+\&      \-T, \-\-transpose\-columns string     Transpose the speficied columns (separated by ,)
+\&      \-R, \-\-regex\-transposer </from/to/> Apply /search/replace/ regexp to fields given in \-T
+\&      \-j, \-\-json                         Read JSON input (must be array of hashes)
+\&      \-I, \-\-interactive                  Interactively filter and select rows
 \&
 \&    Output Flags (mutually exclusive):
-\&      \-X, \-\-extended                    Enable extended output
-\&      \-M, \-\-markdown                    Enable markdown table output
-\&      \-O, \-\-orgtbl                      Enable org\-mode table output
-\&      \-S, \-\-shell                       Enable shell evaluable output
-\&      \-Y, \-\-yaml                        Enable yaml output
-\&      \-C, \-\-csv                         Enable CSV output
-\&      \-A, \-\-ascii                       Default output mode, ascii tabular
-\&      \-L, \-\-hightlight\-lines            Use alternating background colors for tables
-\&      \-y, \-\-yank\-columns                Yank specified columns (separated by ,) to clipboard,
-\&                                        space separated
+\&      \-X, \-\-extended                     Enable extended output
+\&      \-M, \-\-markdown                     Enable markdown table output
+\&      \-O, \-\-orgtbl                       Enable org\-mode table output
+\&      \-S, \-\-shell                        Enable shell evaluable output
+\&      \-Y, \-\-yaml                         Enable yaml output
+\&      \-C, \-\-csv                          Enable CSV output
+\&      \-A, \-\-ascii                        Default output mode, ascii tabular
+\&      \-L, \-\-hightlight\-lines             Use alternating background colors for tables
+\&      \-y, \-\-yank\-columns                 Yank specified columns (separated by ,) to clipboard,
+\&                                         space separated
+\&          \-\-ofs <char>                   Output field separator, used by \-A and \-C. 
 \&
 \&    Sort Mode Flags (mutually exclusive):
-\&      \-a, \-\-sort\-age                    sort according to age (duration) string
-\&      \-D, \-\-sort\-desc                   Sort in descending order (default: ascending)
-\&      \-i, \-\-sort\-numeric                sort according to string numerical value
-\&      \-t, \-\-sort\-time                   sort according to time string
+\&      \-a, \-\-sort\-age                     sort according to age (duration) string
+\&      \-D, \-\-sort\-desc                    Sort in descending order (default: ascending)
+\&      \-i, \-\-sort\-numeric                 sort according to string numerical value
+\&      \-t, \-\-sort\-time                    sort according to time string
 \&
 \&    Other Flags:
-\&          \-\-completion <shell>         Generate the autocompletion script for <shell>
-\&      \-f, \-\-config <file>              Configuration file (default: ~/.config/tablizer/config)
-\&      \-d, \-\-debug                      Enable debugging
-\&      \-h, \-\-help                       help for tablizer
-\&      \-m, \-\-man                        Display manual page
-\&      \-V, \-\-version                    Print program version
+\&      \-r  \-\-read\-file <file>             Use <file> as input instead of STDIN
+\&          \-\-completion <shell>           Generate the autocompletion script for <shell>
+\&      \-f, \-\-config <file>                Configuration file (default: ~/.config/tablizer/config)
+\&      \-d, \-\-debug                        Enable debugging
+\&      \-h, \-\-help                         help for tablizer
+\&      \-m, \-\-man                          Display manual page
+\&      \-V, \-\-version                      Print program version
 .Ve
 .SH "DESCRIPTION"
 .IX Header "DESCRIPTION"
@@ -216,17 +219,17 @@ pattern. Hence:
 \&   kubectl get pods | tablizer
 \&
 \&   # read a file
-\&   tablizer filename
+\&   tablizer \-r filename
 \&
 \&   # search for pattern in a file (works like grep)
-\&   tablizer regex filename
+\&   tablizer regex \-r filename
 \&
 \&   # search for pattern in STDIN
 \&   kubectl get pods | tablizer regex
 .Ve
 .PP
-The output  looks like the  original one  but every header  field will
-have a numer associated with it, e.g.:
+The output looks like the original  one. You can add the option \fB\-n\fR,
+then every header field will have a numer associated with it, e.g.:
 .PP
 .Vb 1
 \&   NAME(1) READY(2) STATUS(3) RESTARTS(4) AGE(5)
@@ -242,7 +245,18 @@ columns you want to have in your output (see \s-1COLUMNS\s0:
 You can specify the numbers in any order but output will always follow
 the original order.
 .PP
-The numbering can be suppressed by using the \fB\-n\fR option.
+However, you may also just use the header names instead of numbers,
+eg:
+.PP
+.Vb 1
+\&   kubectl get pods | tablizer \-cname,status
+.Ve
+.PP
+You can also use regular expressions with \fB\-c\fR, eg:
+.PP
+.Vb 1
+\&   kubectl get pods | tablizer \-c \*(Aq[ae]\*(Aq
+.Ve
 .PP
 By  default tablizer  shows  a  header containing  the  names of  each
 column.  This can  be disabled using the \fB\-H\fR option.   Be aware that
--- a/tablizer.pod
+++ b/tablizer.pod
@@ -5,47 +5,50 @@ tablizer - Manipulate tabular output of other programs
 =head1 SYNOPSIS

    Usage:
-      tablizer [regex,...] [file, ...] [flags]
+      tablizer [regex,...] [-r file] [flags]
    
    Operational Flags:
-      -c, --columns string              Only show the speficied columns (separated by ,)
-      -v, --invert-match                select non-matching rows
-      -n, --numbering                   Enable header numbering
-      -N, --no-color                    Disable pattern highlighting
-      -H, --no-headers                  Disable headers display
-      -s, --separator string            Custom field separator
-      -k, --sort-by int|name            Sort by column (default: 1)
-      -z, --fuzzy                       Use fuzzy search [experimental]
-      -F, --filter field[!]=reg         Filter given field with regex, can be used multiple times
-      -T, --transpose-columns string    Transpose the speficied columns (separated by ,)
-      -R, --regex-transposer /from/to/  Apply /search/replace/ regexp to fields given in -T
-      -I, --interactive                 Interactively filter and select rows
+      -c, --columns string               Only show the speficied columns (separated by ,)
+      -v, --invert-match                 select non-matching rows
+      -n, --numbering                    Enable header numbering
+      -N, --no-color                     Disable pattern highlighting
+      -H, --no-headers                   Disable headers display
+      -s, --separator <string>           Custom field separator
+      -k, --sort-by <int|name>           Sort by column (default: 1)
+      -z, --fuzzy                        Use fuzzy search [experimental]
+      -F, --filter <field[!]=reg>        Filter given field with regex, can be used multiple times
+      -T, --transpose-columns string     Transpose the speficied columns (separated by ,)
+      -R, --regex-transposer </from/to/> Apply /search/replace/ regexp to fields given in -T
+      -j, --json                         Read JSON input (must be array of hashes)
+      -I, --interactive                  Interactively filter and select rows

    Output Flags (mutually exclusive):
-      -X, --extended                    Enable extended output
-      -M, --markdown                    Enable markdown table output
-      -O, --orgtbl                      Enable org-mode table output
-      -S, --shell                       Enable shell evaluable output
-      -Y, --yaml                        Enable yaml output
-      -C, --csv                         Enable CSV output
-      -A, --ascii                       Default output mode, ascii tabular
-      -L, --hightlight-lines            Use alternating background colors for tables
-      -y, --yank-columns                Yank specified columns (separated by ,) to clipboard,
-                                        space separated
+      -X, --extended                     Enable extended output
+      -M, --markdown                     Enable markdown table output
+      -O, --orgtbl                       Enable org-mode table output
+      -S, --shell                        Enable shell evaluable output
+      -Y, --yaml                         Enable yaml output
+      -C, --csv                          Enable CSV output
+      -A, --ascii                        Default output mode, ascii tabular
+      -L, --hightlight-lines             Use alternating background colors for tables
+      -y, --yank-columns                 Yank specified columns (separated by ,) to clipboard,
+                                         space separated
+          --ofs <char>                   Output field separator, used by -A and -C. 

    Sort Mode Flags (mutually exclusive):
-      -a, --sort-age                    sort according to age (duration) string
-      -D, --sort-desc                   Sort in descending order (default: ascending)
-      -i, --sort-numeric                sort according to string numerical value
-      -t, --sort-time                   sort according to time string
+      -a, --sort-age                     sort according to age (duration) string
+      -D, --sort-desc                    Sort in descending order (default: ascending)
+      -i, --sort-numeric                 sort according to string numerical value
+      -t, --sort-time                    sort according to time string

    Other Flags:
-          --completion <shell>         Generate the autocompletion script for <shell>
-      -f, --config <file>              Configuration file (default: ~/.config/tablizer/config)
-      -d, --debug                      Enable debugging
-      -h, --help                       help for tablizer
-      -m, --man                        Display manual page
-      -V, --version                    Print program version
+      -r  --read-file <file>             Use <file> as input instead of STDIN
+          --completion <shell>           Generate the autocompletion script for <shell>
+      -f, --config <file>                Configuration file (default: ~/.config/tablizer/config)
+      -d, --debug                        Enable debugging
+      -h, --help                         help for tablizer
+      -m, --man                          Display manual page
+      -V, --version                      Print program version


 =head1 DESCRIPTION
@@ -77,16 +80,16 @@ pattern. Hence:
   kubectl get pods | tablizer

   # read a file
-   tablizer filename
+   tablizer -r filename

   # search for pattern in a file (works like grep)
-   tablizer regex filename
+   tablizer regex -r filename

   # search for pattern in STDIN
   kubectl get pods | tablizer regex

-The output  looks like the  original one  but every header  field will
-have a numer associated with it, e.g.:
+The output looks like the original  one. You can add the option B<-n>,
+then every header field will have a numer associated with it, e.g.:

   NAME(1) READY(2) STATUS(3) RESTARTS(4) AGE(5)

@@ -98,7 +101,14 @@ columns you want to have in your output (see L<COLUMNS>:
 You can specify the numbers in any order but output will always follow
 the original order.

-The numbering can be suppressed by using the B<-n> option.
+However, you may also just use the header names instead of numbers,
+eg:
+
+   kubectl get pods | tablizer -cname,status
+
+You can also use regular expressions with B<-c>, eg:
+
+   kubectl get pods | tablizer -c '[ae]'  

 By  default tablizer  shows  a  header containing  the  names of  each
 column.  This can  be disabled using the B<-H> option.   Be aware that
--- a/vhsdemo/Makefile
+++ b/vhsdemo/Makefile
@@ -0,0 +1,15 @@
+.PHONY: demo check clean-demo
+
+VHS  = vhs
+
+clean-demo:
+
+%.gif: %.tape
+	@echo "vhs $<"
+	env PATH=..:$(PATH) vhs $<
+
+check:
+	ls -l ../tablizer
+
+demo: check clean-demo demo.gif
+
--- a/vhsdemo/demo.gif
+++ b/vhsdemo/demo.gif
--- a/vhsdemo/demo.tape
+++ b/vhsdemo/demo.tape
@@ -0,0 +1,157 @@
+# -*-sh-*-
+
+Output demo.gif
+Set FontSize 20
+Set Width 1200
+Set Height 1000
+Set Theme { "name": "Whimsy", "black": "#535178", "red": "#ef6487", "green": "#5eca89", "yellow": "#fdd877", "blue": "#65aef7", "magenta": "#aa7ff0", "cyan": "#43c1be", "white": "#ffffff", "brightBlack": "#535178", "brightRed": "#ef6487", "brightGreen": "#5eca89", "brightYellow": "#fdd877", "brightBlue": "#65aef7", "brightMagenta": "#aa7ff0", "brightCyan": "#43c1be", "brightWhite": "#ffffff", "background": "#29283b", "foreground": "#b3b0d6", "selection": "#3d3c58", "cursor": "#b3b0d6" }
+Set WindowBar Colorful
+Set BorderRadius 10
+Set Shell zsh
+Set FontFamily "IBM Plex Mono"
+Set CursorBlink false
+Set PlaybackSpeed 1
+Set TypingSpeed .05
+
+# initialize
+Hide
+Type `PROMPT=''`
+Enter
+Type "setopt interactivecomments"
+Enter
+Type "autoload -U colors && colors"
+Enter
+Type `PS1="%{$fg[magenta]%}demo> %{$reset_color%}"`
+Enter
+Type "clear"
+Enter
+Show
+
+Type "# Our input data"
+Enter
+Sleep 1s
+Type "cat input | head -10"
+Enter
+Sleep 2s
+
+Enter
+Type "# Filter over all rows"
+Enter
+Sleep 1s
+Type "tablizer Central < input"
+Enter
+Sleep 2s
+
+Enter
+Type "# Filter over all rows case insensitive"
+Enter
+Sleep 1s
+Type "tablizer '/penc/i' < input"
+Enter
+Sleep 2s
+
+Enter
+Type "# Filter over specific column"
+Enter
+Sleep 1s
+Type "tablizer -Fcost=4.99 < input"
+Enter
+Sleep 2s
+
+Enter
+Type "# Filter by regex on specific column"
+Enter
+Sleep 1s
+Type "tablizer -Funits=Pen. < input"
+Enter
+Sleep 2s
+
+Enter
+Type "# Output as markdown"
+Enter
+Sleep 1s
+Type "tablizer -Funits=Pen. -M < input"
+Enter
+Sleep 2s
+
+Enter
+Type "# Output as CSV"
+Enter
+Sleep 1s
+Type "tablizer -Funits=Pen. -C < input"
+Enter
+Sleep 2s
+
+Enter
+Type "# Output as shell evaluable"
+Enter
+Sleep 1s
+Type "tablizer -Funits=Pen. -S < input"
+Enter
+Sleep 2s
+Type "bat eval.sh"
+Enter
+Sleep 2s
+Type "tablizer -Funits=Pen. -S < input | ./eval.sh"
+Enter
+Sleep 2s
+
+Enter
+Type "# Reduce columns"
+Enter
+Sleep 1s
+Type "tablizer -Funits=Pen. -c region,customer,units,count < input"
+Enter
+Sleep 2s
+
+Enter
+Type "# Sort by COUNT column numerically "
+Enter
+Sleep 1s
+Type "tablizer -Funits=Pen. -c region,customer,units,count -kcount -i < input"
+Enter
+Sleep 2s
+
+Enter
+Type "# Do further filtering interactively"
+Enter
+Sleep 1s
+Type "tablizer -Funits=Pen. -c region,customer,units,count -I -O < input"
+Enter
+Sleep 2s
+Type "?"
+Sleep 2s
+Type "/"
+Sleep 2s
+Type "J"
+Sleep 1s
+Type "o"
+Sleep 1s
+Type "n"
+Sleep 1s
+Type "e"
+Sleep 1s
+Type "s"
+Sleep 1s
+Enter
+Sleep 2s
+Tab
+Sleep 1s
+Tab
+Sleep 1s
+Tab
+Sleep 1s
+Tab
+Type "n"
+Sleep 2s
+Space
+Sleep 1s
+Down
+Sleep 1s
+Down
+Sleep 1s
+Space
+Sleep 2s
+Type "q"
+
+Sleep 10s
--- a/vhsdemo/eval.sh
+++ b/vhsdemo/eval.sh
@@ -0,0 +1,5 @@
+#!/bin/sh
+
+while read LINE; do
+    eval "$LINE"; echo "$Customer ordered $Count ${Units}s"
+done
--- a/vhsdemo/input
+++ b/vhsdemo/input
@@ -0,0 +1,44 @@
+Date        Region	Customer	Units	Count   Cost	Total
+2016-01-06	East	Jones	Pencil	95	1.99	189.05
+2016-01-23	Central	Kivell	Binder	50	19.99	999.50
+2016-02-09	Central	Jardine	Pencil	36	4.99	179.64
+2016-02-26	Central	Gill	Pen	27	19.99	539.73
+2016-03-15	West	Sorvino	Pencil	56	2.99	167.44
+2016-04-01	East	Jones	Binder	60	4.99	299.40
+2016-04-18	Central	Andrews	Pencil	75	1.99	149.25
+2016-05-05	Central	Jardine	Pencil	90	4.99	449.10
+2016-05-22	West	Thompson	Pencil	32	1.99	63.68
+2016-06-08	East	Jones	Binder	60	8.99	539.40
+2016-06-25	Central	Morgan	Pencil	90	4.99	449.10
+2016-07-12	East	Howard	Binder	29	1.99	57.71
+2016-07-29	East	Parent	Binder	81	19.99	1619.19
+2016-08-15	East	Jones	Pencil	35	4.99	174.65
+2016-09-01	Central	Smith	Desk	2	125.00	250.00
+2016-09-18	East	Jones	Pen Set	16	15.99	255.84
+2016-10-05	Central	Morgan	Binder	28	8.99	251.72
+2016-10-22	East	Jones	Pen	64	8.99	575.36
+2016-11-08	East	Parent	Pen	15	19.99	299.85
+2016-11-25	Central	Kivell	Pen Set	96	4.99	479.04
+2016-12-12	Central	Smith	Pencil	67	1.29	86.43
+2016-12-29	East	Parent	Pen Set	74	15.99	1183.26
+2017-01-15	Central	Gill	Binder	46	8.99	413.54
+2017-02-01	Central	Smith	Binder	87	15.00	1305.00
+2017-02-18	East	Jones	Binder	4	4.99	19.96
+2017-03-07	West	Sorvino	Binder	7	19.99	139.93
+2017-03-24	Central	Jardine	Pen Set	50	4.99	249.50
+2017-04-10	Central	Andrews	Pencil	66	1.99	131.34
+2017-04-27	East	Howard	Pen	96	4.99	479.04
+2017-05-14	Central	Gill	Pencil	53	1.29	68.37
+2017-05-31	Central	Gill	Binder	80	8.99	719.20
+2017-06-17	Central	Kivell	Desk	5	125.00	625.00
+2017-07-04	East	Jones	Pen Set	62	4.99	309.38
+2017-07-21	Central	Morgan	Pen Set	55	12.49	686.95
+2017-08-07	Central	Kivell	Pen Set	42	23.95	1005.90
+2017-08-24	West	Sorvino	Desk	3	275.00	825.00
+2017-09-10	Central	Gill	Pencil	7	1.29	9.03
+2017-09-27	West	Sorvino	Pen	76	1.99	151.24
+2017-10-14	West	Thompson	Binder	57	19.99	1139.43
+2017-10-31	Central	Andrews	Pencil	14	1.29	18.06
+2017-11-17	Central	Jardine	Binder	11	4.99	54.89
+2017-12-04	Central	Jardine	Binder	94	19.99	1879.06
+2017-12-21	Central	Andrews	Binder	28	4.99	139.72
Author	SHA1	Message	Date
dependabot[bot]	6f0f5afb27	Bump actions/setup-go from 5 to 6 (#68 )	2025-10-01 21:16:48 +02:00
T.v.Dein	62b606e7da	use 1.24 for CI (#75 )	2025-10-01 21:14:18 +02:00
dependabot[bot]	567d23b175	Bump github.com/alecthomas/repr from 0.5.1 to 0.5.2 (#69 )	2025-10-01 21:08:36 +02:00
dependabot[bot]	14f24533f0	Bump github.com/spf13/cobra from 1.9.1 to 1.10.1 (#70 )	2025-10-01 21:04:25 +02:00
dependabot[bot]	4e413c02b5	Bump github.com/charmbracelet/bubbletea from 1.3.6 to 1.3.10 (#71 )	2025-10-01 21:01:04 +02:00
dependabot[bot]	6d8c0c0936	Bump github.com/evertras/bubble-table from 0.19.0 to 0.19.2 (#72 )	2025-10-01 20:57:58 +02:00
dependabot[bot]	21b607af7c	Bump github.com/olekukonko/tablewriter from 1.0.9 to 1.1.0 (#73 )	2025-10-01 20:54:31 +02:00
T.v.Dein	06a5d74fb6	Add JSON input support (#74 ) * added basic json input support * add coverage to make test * enhanced unit tests, switch to testify/assert * reduce ci runs	2025-10-01 20:48:49 +02:00
T.v.Dein	5f3f7c417c	Improve ascii table, add --ofs flag, enhance documentation (#67 ) * enhanced documentation * added --ofs parameter use 2 spaces for ascii output but it is customizable with --ofs, which is also being used by CSV mode (whose defaults remains unchanged) * improve ascii table output, use 2 spaces as OFS by default	2025-09-30 11:21:49 +02:00
T.v.Dein	687f4b7bb2	Fix excess spaces on normal ascii table output (#66 )	2025-09-29 20:46:33 +02:00
Thomas von Dein	24b66b8a6b	mv demo to top	2025-09-11 19:12:49 +02:00
Thomas von Dein	d87c6878a4	bump version	2025-09-11 19:04:38 +02:00
Thomas von Dein	4cdc4c8e18	switched to vhs demo creator	2025-09-11 19:04:02 +02:00
Thomas von Dein	9cb9a66332	fix #64 : documented -r parameter	2025-09-11 19:01:11 +02:00
Thomas von Dein	24277cd716	use stdout if it is a tty	2025-09-11 19:00:37 +02:00
Thomas von Dein	e51b141032	bump version	2025-09-10 12:17:09 +02:00
Thomas von Dein	7af7304529	header cosmetics	2025-09-10 12:16:53 +02:00
Thomas von Dein	b4c833a0ba	also style selected row	2025-09-10 12:13:34 +02:00
Thomas von Dein	1c36d93d65	add gh-dash config	2025-09-09 22:06:07 +02:00
T.v.Dein	ec864f42d6	added styled help buffer (#63 )	2025-09-09 22:01:45 +02:00
dependabot[bot]	4eaa676510	Bump github.com/gookit/color from 1.5.4 to 1.6.0 (#60 )	2025-09-09 20:36:44 +02:00
dependabot[bot]	c600fb1136	Bump actions/checkout from 4 to 5 (#59 )	2025-09-09 20:10:03 +02:00
dependabot[bot]	abf9fac5c7	Bump github.com/charmbracelet/bubbletea from 1.3.4 to 1.3.6 (#61 )	2025-09-09 20:09:35 +02:00
T.v.Dein	80dd6849ae	Add interactive filter table (#62 )	2025-09-09 20:09:08 +02:00