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

* added basic json input support
* add coverage to make test
* enhanced unit tests, switch to testify/assert
* reduce ci runs

.github/workflows/ci.yaml

@@ -1,16 +1,16 @@
 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
@@ -28,9 +28,9 @@ jobs:
     name: lint
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/setup-go@v5
+      - uses: actions/setup-go@v6
         with:
-          go-version: 1.23
+          go-version: 1.24
       - uses: actions/checkout@v5
       - name: golangci-lint
         uses: golangci/golangci-lint-action@v6

.github/workflows/release.yaml

@@ -13,7 +13,7 @@ jobs:
         uses: actions/checkout@v5
 
       - name: Set up Go
-        uses: actions/setup-go@v5
+        uses: actions/setup-go@v6
         with:
           go-version: 1.22.11
 

Makefile

@@ -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'"

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 ,)
+  -c, --columns string               Only show the speficied columns (separated by ,)
-  -v, --invert-match                select non-matching rows
+  -v, --invert-match                 select non-matching rows
-  -n, --numbering                   Enable header numbering
+  -n, --numbering                    Enable header numbering
-  -N, --no-color                    Disable pattern highlighting
+  -N, --no-color                     Disable pattern highlighting
-  -H, --no-headers                  Disable headers display
+  -H, --no-headers                   Disable headers display
-  -s, --separator string            Custom field separator
+  -s, --separator <string>           Custom field separator
-  -k, --sort-by int|name            Sort by column (default: 1)
+  -k, --sort-by <int|name>           Sort by column (default: 1)
-  -z, --fuzzy                       Use fuzzy search [experimental]
+  -z, --fuzzy                        Use fuzzy search [experimental]
-  -F, --filter field[!]=reg         Filter given field with regex, can be used multiple times
+  -F, --filter <field[!]=reg>        Filter given field with regex, can be used multiple times
-  -T, --transpose-columns string    Transpose the speficied columns (separated by ,)
+  -T, --transpose-columns string     Transpose the speficied columns (separated by ,)
-  -R, --regex-transposer /from/to/  Apply /search/replace/ regexp to fields given in -T
+  -R, --regex-transposer </from/to/> Apply /search/replace/ regexp to fields given in -T
-  -I, --interactive                 Interactively filter and select rows
+  -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
+  -X, --extended                     Enable extended output
-  -M, --markdown                    Enable markdown table output
+  -M, --markdown                     Enable markdown table output
-  -O, --orgtbl                      Enable org-mode table output
+  -O, --orgtbl                       Enable org-mode table output
-  -S, --shell                       Enable shell evaluable output
+  -S, --shell                        Enable shell evaluable output
-  -Y, --yaml                        Enable yaml output
+  -Y, --yaml                         Enable yaml output
-  -C, --csv                         Enable CSV output
+  -C, --csv                          Enable CSV output
-  -A, --ascii                       Default output mode, ascii tabular
+  -A, --ascii                        Default output mode, ascii tabular
-  -L, --hightlight-lines            Use alternating background colors for tables
+  -L, --hightlight-lines             Use alternating background colors for tables
-  -y, --yank-columns                Yank specified columns (separated by ,) to clipboard,
+  -y, --yank-columns                 Yank specified columns (separated by ,) to clipboard,
-                                    space separated
+                                     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
+  -a, --sort-age                     sort according to age (duration) string
-  -D, --sort-desc                   Sort in descending order (default: ascending)
+  -D, --sort-desc                    Sort in descending order (default: ascending)
-  -i, --sort-numeric                sort according to string numerical value
+  -i, --sort-numeric                 sort according to string numerical value
-  -t, --sort-time                   sort according to time string
+  -t, --sort-time                    sort according to time string
 
 Other Flags:
-      --completion <shell>         Generate the autocompletion script for <shell>
+  -r  --read-file <file>             Use <file> as input instead of STDIN
-  -f, --config <file>              Configuration file (default: ~/.config/tablizer/config)
+      --completion <shell>           Generate the autocompletion script for <shell>
-  -d, --debug                      Enable debugging
+  -f, --config <file>                Configuration file (default: ~/.config/tablizer/config)
-  -h, --help                       help for tablizer
+  -d, --debug                        Enable debugging
-  -m, --man                        Display manual page
+  -h, --help                         help for tablizer
-  -V, --version                    Print program version
+  -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
 

cfg/config.go

@@ -28,7 +28,7 @@ import (
 )
 
 const DefaultSeparator string = `(\s\s+|\t)`
-const Version string = "v1.5.2"
+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

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 {
+			assert.EqualValues(t, testdata.expect, conf.SortMode)
-				t.Errorf("got: %s, expect: %s", conf.SortMode, testdata.expect)
-			}
 		})
 	}
 }
@@ -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.wanterror {
-				if !testdata.wanterr {
+				assert.Error(t, err)
-					t.Errorf("PreparePattern returned error: %s", err)
+			} else {
-				}
+				assert.NoError(t, err)
 			}
 		})
 	}

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", "",

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 ,)
+          -c, --columns string               Only show the speficied columns (separated by ,)
-          -v, --invert-match                select non-matching rows
+          -v, --invert-match                 select non-matching rows
-          -n, --numbering                   Enable header numbering
+          -n, --numbering                    Enable header numbering
-          -N, --no-color                    Disable pattern highlighting
+          -N, --no-color                     Disable pattern highlighting
-          -H, --no-headers                  Disable headers display
+          -H, --no-headers                   Disable headers display
-          -s, --separator string            Custom field separator
+          -s, --separator <string>           Custom field separator
-          -k, --sort-by int|name            Sort by column (default: 1)
+          -k, --sort-by <int|name>           Sort by column (default: 1)
-          -z, --fuzzy                       Use fuzzy search [experimental]
+          -z, --fuzzy                        Use fuzzy search [experimental]
-          -F, --filter field[!]=reg         Filter given field with regex, can be used multiple times
+          -F, --filter <field[!]=reg>        Filter given field with regex, can be used multiple times
-          -T, --transpose-columns string    Transpose the speficied columns (separated by ,)
+          -T, --transpose-columns string     Transpose the speficied columns (separated by ,)
-          -R, --regex-transposer /from/to/  Apply /search/replace/ regexp to fields given in -T
+          -R, --regex-transposer </from/to/> Apply /search/replace/ regexp to fields given in -T
-          -I, --interactive                 Interactively filter and select rows
+          -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
+          -X, --extended                     Enable extended output
-          -M, --markdown                    Enable markdown table output
+          -M, --markdown                     Enable markdown table output
-          -O, --orgtbl                      Enable org-mode table output
+          -O, --orgtbl                       Enable org-mode table output
-          -S, --shell                       Enable shell evaluable output
+          -S, --shell                        Enable shell evaluable output
-          -Y, --yaml                        Enable yaml output
+          -Y, --yaml                         Enable yaml output
-          -C, --csv                         Enable CSV output
+          -C, --csv                          Enable CSV output
-          -A, --ascii                       Default output mode, ascii tabular
+          -A, --ascii                        Default output mode, ascii tabular
-          -L, --hightlight-lines            Use alternating background colors for tables
+          -L, --hightlight-lines             Use alternating background colors for tables
-          -y, --yank-columns                Yank specified columns (separated by ,) to clipboard,
+          -y, --yank-columns                 Yank specified columns (separated by ,) to clipboard,
-                                            space separated
+                                             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
+          -a, --sort-age                     sort according to age (duration) string
-          -D, --sort-desc                   Sort in descending order (default: ascending)
+          -D, --sort-desc                    Sort in descending order (default: ascending)
-          -i, --sort-numeric                sort according to string numerical value
+          -i, --sort-numeric                 sort according to string numerical value
-          -t, --sort-time                   sort according to time string
+          -t, --sort-time                    sort according to time string
 
         Other Flags:
-              --completion <shell>         Generate the autocompletion script for <shell>
+          -r  --read-file <file>             Use <file> as input instead of STDIN
-          -f, --config <file>              Configuration file (default: ~/.config/tablizer/config)
+              --completion <shell>           Generate the autocompletion script for <shell>
-          -d, --debug                      Enable debugging
+          -f, --config <file>                Configuration file (default: ~/.config/tablizer/config)
-          -h, --help                       help for tablizer
+          -d, --debug                        Enable debugging
-          -m, --man                        Display manual page
+          -h, --help                         help for tablizer
-          -V, --version                    Print program version
+          -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
+    The output looks like the original one. You can add the option -n, then
-    a numer associated with it, e.g.:
+    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 ,)
+  -c, --columns string               Only show the speficied columns (separated by ,)
-  -v, --invert-match                select non-matching rows
+  -v, --invert-match                 select non-matching rows
-  -n, --numbering                   Enable header numbering
+  -n, --numbering                    Enable header numbering
-  -N, --no-color                    Disable pattern highlighting
+  -N, --no-color                     Disable pattern highlighting
-  -H, --no-headers                  Disable headers display
+  -H, --no-headers                   Disable headers display
-  -s, --separator string            Custom field separator
+  -s, --separator <string>           Custom field separator
-  -k, --sort-by int|name            Sort by column (default: 1)
+  -k, --sort-by <int|name>           Sort by column (default: 1)
-  -z, --fuzzy                       Use fuzzy search [experimental]
+  -z, --fuzzy                        Use fuzzy search [experimental]
-  -F, --filter field[!]=reg         Filter given field with regex, can be used multiple times
+  -F, --filter <field[!]=reg>        Filter given field with regex, can be used multiple times
-  -T, --transpose-columns string    Transpose the speficied columns (separated by ,)
+  -T, --transpose-columns string     Transpose the speficied columns (separated by ,)
-  -R, --regex-transposer /from/to/  Apply /search/replace/ regexp to fields given in -T
+  -R, --regex-transposer </from/to/> Apply /search/replace/ regexp to fields given in -T
-  -I, --interactive                 Interactively filter and select rows
+  -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
+  -X, --extended                     Enable extended output
-  -M, --markdown                    Enable markdown table output
+  -M, --markdown                     Enable markdown table output
-  -O, --orgtbl                      Enable org-mode table output
+  -O, --orgtbl                       Enable org-mode table output
-  -S, --shell                       Enable shell evaluable output
+  -S, --shell                        Enable shell evaluable output
-  -Y, --yaml                        Enable yaml output
+  -Y, --yaml                         Enable yaml output
-  -C, --csv                         Enable CSV output
+  -C, --csv                          Enable CSV output
-  -A, --ascii                       Default output mode, ascii tabular
+  -A, --ascii                        Default output mode, ascii tabular
-  -L, --hightlight-lines            Use alternating background colors for tables
+  -L, --hightlight-lines             Use alternating background colors for tables
-  -y, --yank-columns                Yank specified columns (separated by ,) to clipboard,
+  -y, --yank-columns                 Yank specified columns (separated by ,) to clipboard,
-                                    space separated
+                                     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
+  -a, --sort-age                     sort according to age (duration) string
-  -D, --sort-desc                   Sort in descending order (default: ascending)
+  -D, --sort-desc                    Sort in descending order (default: ascending)
-  -i, --sort-numeric                sort according to string numerical value
+  -i, --sort-numeric                 sort according to string numerical value
-  -t, --sort-time                   sort according to time string
+  -t, --sort-time                    sort according to time string
 
 Other Flags:
-      --completion <shell>         Generate the autocompletion script for <shell>
+  -r  --read-file <file>             Use <file> as input instead of STDIN
-  -f, --config <file>              Configuration file (default: ~/.config/tablizer/config)
+      --completion <shell>           Generate the autocompletion script for <shell>
-  -d, --debug                      Enable debugging
+  -f, --config <file>                Configuration file (default: ~/.config/tablizer/config)
-  -h, --help                       help for tablizer
+  -d, --debug                        Enable debugging
-  -m, --man                        Display manual page
+  -h, --help                         help for tablizer
-  -V, --version                    Print program version
+  -m, --man                          Display manual page
+  -V, --version                      Print program version
 
 
 `

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

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')

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

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

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
-

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"]

go.mod

@@ -1,22 +1,22 @@
 module github.com/tlinden/tablizer
 
-go 1.23.0
+go 1.24.0
-
-toolchain go1.23.5
 
 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 v1.3.6
+	github.com/charmbracelet/bubbletea v1.3.10
 	github.com/charmbracelet/lipgloss v1.1.0
-	github.com/evertras/bubble-table v0.19.0
+	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 v0.9.3 // 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 v0.15.0 // indirect
-	golang.org/x/sys v0.33.0 // 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
 )

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 v0.5.2 h1:SU73FTI9D1P5UNtvseffFSGmdNci/O6RsqzeXJtP0Qs=
-github.com/alecthomas/repr v0.5.1/go.mod h1:Fr0507jx4eOXV7AlPV6AVZLYrLIuIeSOWtW57eE/O/4=
+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 v1.3.6 h1:VkHIxPJQeDt0aFJIsVxw8BQdh/F/L2KKZGsK6et5taU=
+github.com/charmbracelet/bubbletea v1.3.10 h1:otUDHWMMzQSB0Pkc87rm691KZ3SWa4KUlvF9nRvCICw=
-github.com/charmbracelet/bubbletea v1.3.6/go.mod h1:oQD9VCRQFF8KplacJLo28/jofOI2ToOfGYeFgBBxHOc=
+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 v0.9.3 h1:BXt5DHS/MKF+LjuK4huWrC6NCvHtexww7dMayh6GXd0=
+github.com/charmbracelet/x/ansi v0.10.1 h1:rL3Koar5XvX0pHGfovN03f5cxLbCF2YvLeyz7D2jVDQ=
-github.com/charmbracelet/x/ansi v0.9.3/go.mod h1:3RQDQ6lDnROptfpWuUVIUG64bD2g2BgntdxH0Ya5TeE=
+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=
@@ -30,8 +30,8 @@ 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 v0.19.0 h1:+JlXRUjNuBN1JI7XU1PapmW1wglbcqZUKkiPnVKPgrc=
+github.com/evertras/bubble-table v0.19.2 h1:u77oiM6JlRR+CvS5FZc3Hz+J6iEsvEDcR5kO8OFb1Yw=
-github.com/evertras/bubble-table v0.19.0/go.mod h1:ifHujS1YxwnYSOgcR2+m3GnJ84f7CVU/4kUOxUCjEbQ=
+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=
@@ -74,8 +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 v1.1.0 h1:N0LHrshF4T39KvI96fn6GT8HEjXRXYNDrDjKFDB7RIY=
-github.com/olekukonko/tablewriter v1.0.9/go.mod h1:5c+EBPeSqvXnLLgkm9isDdzR3wjfBkHR9Nhfp3NWrzo=
+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=
@@ -88,14 +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 v1.10.1 h1:lJeBwCfmrnXthfAupyUTzJ/J4Nc1RsHC/mSRU2dll/s=
-github.com/spf13/cobra v1.9.1/go.mod h1:nDyEzZ8ogv936Cinf6g1RU9MRY64Ir93oCnqb9wxYW0=
+github.com/spf13/cobra v1.10.1/go.mod h1:7SmJGaTHFVBY0jW4NXGluQoLvhqFQM+6XSKD+P4XaB0=
-github.com/spf13/pflag v1.0.6 h1:jFzHGLGAlb3ruxLB8MhbI6A8+AQX/2eW4qeyNZXNp2o=
+github.com/spf13/pflag v1.0.9 h1:9exaQaMOCwffKiiiYk6/BndUBv+iRViNW+4lEMi0PvY=
-github.com/spf13/pflag v1.0.6/go.mod h1:McXfInJRrz4CZXVZOBLb0bTZqETkiAhM9Iw0y3An2Bg=
+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 v1.11.1 h1:7s2iGBzp5EwR7/aIZr8ao5+dra3wiQyKjjFuvgVKu7U=
-github.com/stretchr/testify v1.8.4/go.mod h1:sz/lmYIOXD/1dqDmKjjqLyZ2RngseejIcXlSw2iwfAo=
+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=
@@ -130,8 +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 v0.36.0 h1:KVRy2GtZBrk1cBYA7MKu5bEZFxQk4NIDV6RLVcC8o0k=
-golang.org/x/sys v0.33.0/go.mod h1:BJP2sWEmIv4KK5OTEluFJCKSidICx8ciO85XgH3Ak8k=
+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=

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) {
+			assert.NoError(t, err)
-				t.Errorf("matchPattern() did not match\nExp: true\nGot: false\n")
+
-			}
+			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)
-			}
 		})
 	}
 }

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 {
+			if testdata.wanterror {
-					t.Errorf("got error: %v", err)
+				assert.Error(t, err)
-				}
 			} else {
-				if !reflect.DeepEqual(conf.UseColumns, testdata.exp) {
+				assert.NoError(t, err)
-					t.Errorf("got: %v, expected: %v", conf.UseColumns, testdata.exp)
+				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) {
+			if testdata.wanterror {
-					t.Errorf("got %d, want %d", conf.UseTransposeColumns, testdata.exp)
+				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",
+			assert.EqualValues(t, testdata.expect, data.entries)
-					data.entries, testdata.expect)
-			}
 		})
 	}
 }
@@ -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",
+			assert.EqualValues(t, testdata.expect, usedata.headers)
-					usedata.headers, testdata.expect)
-			}
 		})
 	}
 }

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
 

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 {
+			assert.NoError(t, err)
-				t.Errorf("Parser returned error: %s\nData processed so far: %+v", err, gotdata)
+			assert.EqualValues(t, data, gotdata)
-			}
-
-			if !reflect.DeepEqual(data, gotdata) {
-				t.Errorf("Parser returned invalid data\nExp: %+v\nGot: %+v\n",
-					data, gotdata)
-			}
 		})
 	}
 }
 
 func TestParserPatternmatching(t *testing.T) {
 	var tests = []struct {
-		name     string
+		name      string
-		entries  [][]string
+		entries   [][]string
-		patterns []*cfg.Pattern
+		patterns  []*cfg.Pattern
-		invert   bool
+		invert    bool
-		want     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.wanterror {
-					if !testdata.want {
+					assert.Error(t, err)
-						t.Errorf("Parser returned error: %s\nData processed so far: %+v",
-							err, gotdata)
-					}
 				} else {
-					if !reflect.DeepEqual(testdata.entries, gotdata.entries) {
+					assert.NoError(t, err)
-						t.Errorf("Parser returned invalid data (pattern: %s, invert: %t)\nExp: %+v\nGot: %+v\n",
+					assert.EqualValues(t, testdata.entries, data.entries)
-							testdata.name, testdata.invert, testdata.entries, gotdata.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 {
+	assert.NoError(t, err)
-		t.Errorf("Parser returned error: %s\nData processed so far: %+v", err, gotdata)
+	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) {
+	for _, testdata := range tests {
-		t.Errorf("Parser returned invalid data, Regex: %s\nExp: %+v\nGot: %+v\n",
+		testname := fmt.Sprintf("parse-json-%s", testdata.name)
-			conf.Separator, data, gotdata)
+		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
+}

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},
+					Separators: tw.SeparatorsNone,
-					Lines:      tw.Lines{ShowFooterLine: tw.Off, ShowHeaderLine: tw.Off},
+					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{
+				Padding: tw.CellPadding{Global: tw.Padding{Left: "", Right: OFS}},
-					Global: tw.Padding{Left: "", Right: ""},
-				},
 			},
 			Row: tw.CellConfig{
 				Formatting: tw.CellFormatting{
 					AutoWrap:  tw.WrapNone,
 					Alignment: tw.AlignLeft,
 				},
-				Padding: tw.CellPadding{
+				Padding: tw.CellPadding{Global: tw.Padding{Right: OFS}},
-					Global: tw.Padding{Left: "", Right: ""},
-				},
 			},
 
 			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)

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)                   
+NAME(1) DURATION(2) COUNT(3) WHEN(4)                    
-beta   	1d10h5m1s  	33      	3/1/2014                  
+beta    1d10h5m1s   33       3/1/2014                   
-alpha  	4h35m      	170     	2013-Feb-03               
+alpha   4h35m       170      2013-Feb-03                
-ceta   	33d12h     	9       	06/Jan/2008 15:04:05 -0700`,
+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)                   
+NAME(1) DURATION(2) COUNT(3) WHEN(4)                    
-ceta   	33d12h     	9       	06/Jan/2008 15:04:05 -0700
+ceta    33d12h      9        06/Jan/2008 15:04:05 -0700 
-beta   	1d10h5m1s  	33      	3/1/2014                  
+beta    1d10h5m1s   33       3/1/2014                   
-alpha  	4h35m      	170     	2013-Feb-03`,
+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)                   
+NAME(1) DURATION(2) COUNT(3) WHEN(4)                    
-ceta   	33d12h     	9       	06/Jan/2008 15:04:05 -0700
+ceta    33d12h      9        06/Jan/2008 15:04:05 -0700 
-alpha  	4h35m      	170     	2013-Feb-03               
+alpha   4h35m       170      2013-Feb-03                
-beta   	1d10h5m1s  	33      	3/1/2014`,
+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)                   
+NAME(1) DURATION(2) COUNT(3) WHEN(4)                    
-alpha  	4h35m      	170     	2013-Feb-03               
+alpha   4h35m       170      2013-Feb-03                
-beta   	1d10h5m1s  	33      	3/1/2014                  
+beta    1d10h5m1s   33       3/1/2014                   
-ceta   	33d12h     	9       	06/Jan/2008 15:04:05 -0700`,
+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)                   
+NAME(1) WHEN(4)                    
-beta   	3/1/2014                  
+beta    3/1/2014                   
-alpha  	2013-Feb-03               
+alpha   2013-Feb-03                
-ceta   	06/Jan/2008 15:04:05 -0700`,
+ceta    06/Jan/2008 15:04:05 -0700`,
 	},
 	{
-		name:      "usecolumns",
+		name:      "usecolumns2",
 		usecol:    []int{2},
 		numberize: true,
 		usecolstr: "2",
 		expect: `
-DURATION(2)
+DURATION(2) 
-1d10h5m1s  
+1d10h5m1s   
-4h35m      
+4h35m       
 33d12h`,
 	},
 	{
-		name:      "usecolumns",
+		name:      "usecolumns3",
 		usecol:    []int{3},
 		numberize: true,
 		usecolstr: "3",
 		expect: `
-COUNT(3)
+COUNT(3) 
-33      
+33       
-170     
+170      
 9`,
 	},
 	{
-		name:      "usecolumns",
+		name:      "usecolumns4",
 		column:    0,
 		usecol:    []int{1, 3},
 		numberize: true,
 		usecolstr: "1,3",
 		expect: `
-NAME(1)	COUNT(3)
+NAME(1) COUNT(3) 
-beta   	33      
+beta    33       
-alpha  	170     
+alpha   170      
-ceta   	9`,
+ceta    9`,
 	},
 	{
 		name:      "usecolumns",
@@ -255,10 +256,10 @@ ceta   	9`,
 		numberize: true,
 		usecolstr: "2,4",
 		expect: `
-DURATION(2)	WHEN(4)                   
+DURATION(2) WHEN(4)                    
-1d10h5m1s  	3/1/2014                  
+1d10h5m1s   3/1/2014                   
-4h35m      	2013-Feb-03               
+4h35m       2013-Feb-03                
-33d12h     	06/Jan/2008 15:04:05 -0700`,
+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 {
+			assert.EqualValues(t, exp, got)
-				t.Errorf("not rendered correctly:\n+++ got:\n%s\n+++ want:\n%s",
-					got, exp)
-			}
 		})
 	}
 }

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 {
+			assert.EqualValues(t, testdata.expect, seconds)
-				t.Errorf("got %d, want %d", seconds, testdata.expect)
-			}
 		})
 	}
 }
@@ -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 {
+			assert.EqualValues(t, testdata.want, got)
-				t.Errorf("got %d, want %d", got, testdata.want)
-			}
 		})
 	}
 }

lib/tableeditor.go

@@ -25,6 +25,7 @@ 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"
 )
 
@@ -468,7 +469,14 @@ func tableEditor(conf *cfg.Config, data *Tabdata) (*Tabdata, error) {
 	// see https://github.com/charmbracelet/bubbletea/issues/860
 	//
 	// TODO: doesn't work with libgloss v2 anymore!
-	lipgloss.SetDefaultRenderer(lipgloss.NewRenderer(os.Stderr))
+
+	out := os.Stderr
+
+	if isatty.IsTerminal(os.Stdout.Fd()) {
+		out = os.Stdout
+	}
+
+	lipgloss.SetDefaultRenderer(lipgloss.NewRenderer(out))
 
 	ctx := &Context{data: data}
 
@@ -479,7 +487,7 @@ func tableEditor(conf *cfg.Config, data *Tabdata) (*Tabdata, error) {
 	// still be used inside pipes.
 	program := tea.NewProgram(
 		NewModel(data, ctx),
-		tea.WithOutput(os.Stderr),
+		tea.WithOutput(out),
 		tea.WithAltScreen())
 
 	m, err := program.Run()

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 {
+			assert.NoError(t, err)
-				t.Errorf("not yanked correctly:\n+++ got:\n%s\n+++ want:\n%s",
+			assert.EqualValues(t, testdata.expect, got)
-					got, testdata.expect)
-			}
 		})
 	}
 }

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 ,)
+\&      \-c, \-\-columns string               Only show the speficied columns (separated by ,)
-\&      \-v, \-\-invert\-match                select non\-matching rows
+\&      \-v, \-\-invert\-match                 select non\-matching rows
-\&      \-n, \-\-numbering                   Enable header numbering
+\&      \-n, \-\-numbering                    Enable header numbering
-\&      \-N, \-\-no\-color                    Disable pattern highlighting
+\&      \-N, \-\-no\-color                     Disable pattern highlighting
-\&      \-H, \-\-no\-headers                  Disable headers display
+\&      \-H, \-\-no\-headers                   Disable headers display
-\&      \-s, \-\-separator string            Custom field separator
+\&      \-s, \-\-separator <string>           Custom field separator
-\&      \-k, \-\-sort\-by int|name            Sort by column (default: 1)
+\&      \-k, \-\-sort\-by <int|name>           Sort by column (default: 1)
-\&      \-z, \-\-fuzzy                       Use fuzzy search [experimental]
+\&      \-z, \-\-fuzzy                        Use fuzzy search [experimental]
-\&      \-F, \-\-filter field[!]=reg         Filter given field with regex, can be used multiple times
+\&      \-F, \-\-filter <field[!]=reg>        Filter given field with regex, can be used multiple times
-\&      \-T, \-\-transpose\-columns string    Transpose the speficied columns (separated by ,)
+\&      \-T, \-\-transpose\-columns string     Transpose the speficied columns (separated by ,)
-\&      \-R, \-\-regex\-transposer /from/to/  Apply /search/replace/ regexp to fields given in \-T
+\&      \-R, \-\-regex\-transposer </from/to/> Apply /search/replace/ regexp to fields given in \-T
-\&      \-I, \-\-interactive                 Interactively filter and select rows
+\&      \-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
+\&      \-X, \-\-extended                     Enable extended output
-\&      \-M, \-\-markdown                    Enable markdown table output
+\&      \-M, \-\-markdown                     Enable markdown table output
-\&      \-O, \-\-orgtbl                      Enable org\-mode table output
+\&      \-O, \-\-orgtbl                       Enable org\-mode table output
-\&      \-S, \-\-shell                       Enable shell evaluable output
+\&      \-S, \-\-shell                        Enable shell evaluable output
-\&      \-Y, \-\-yaml                        Enable yaml output
+\&      \-Y, \-\-yaml                         Enable yaml output
-\&      \-C, \-\-csv                         Enable CSV output
+\&      \-C, \-\-csv                          Enable CSV output
-\&      \-A, \-\-ascii                       Default output mode, ascii tabular
+\&      \-A, \-\-ascii                        Default output mode, ascii tabular
-\&      \-L, \-\-hightlight\-lines            Use alternating background colors for tables
+\&      \-L, \-\-hightlight\-lines             Use alternating background colors for tables
-\&      \-y, \-\-yank\-columns                Yank specified columns (separated by ,) to clipboard,
+\&      \-y, \-\-yank\-columns                 Yank specified columns (separated by ,) to clipboard,
-\&                                        space separated
+\&                                         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
+\&      \-a, \-\-sort\-age                     sort according to age (duration) string
-\&      \-D, \-\-sort\-desc                   Sort in descending order (default: ascending)
+\&      \-D, \-\-sort\-desc                    Sort in descending order (default: ascending)
-\&      \-i, \-\-sort\-numeric                sort according to string numerical value
+\&      \-i, \-\-sort\-numeric                 sort according to string numerical value
-\&      \-t, \-\-sort\-time                   sort according to time string
+\&      \-t, \-\-sort\-time                    sort according to time string
 \&
 \&    Other Flags:
-\&          \-\-completion <shell>         Generate the autocompletion script for <shell>
+\&      \-r  \-\-read\-file <file>             Use <file> as input instead of STDIN
-\&      \-f, \-\-config <file>              Configuration file (default: ~/.config/tablizer/config)
+\&          \-\-completion <shell>           Generate the autocompletion script for <shell>
-\&      \-d, \-\-debug                      Enable debugging
+\&      \-f, \-\-config <file>                Configuration file (default: ~/.config/tablizer/config)
-\&      \-h, \-\-help                       help for tablizer
+\&      \-d, \-\-debug                        Enable debugging
-\&      \-m, \-\-man                        Display manual page
+\&      \-h, \-\-help                         help for tablizer
-\&      \-V, \-\-version                    Print program version
+\&      \-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
+The output looks like the original  one. You can add the option \fB\-n\fR,
-have a numer associated with it, e.g.:
+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

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 ,)
+      -c, --columns string               Only show the speficied columns (separated by ,)
-      -v, --invert-match                select non-matching rows
+      -v, --invert-match                 select non-matching rows
-      -n, --numbering                   Enable header numbering
+      -n, --numbering                    Enable header numbering
-      -N, --no-color                    Disable pattern highlighting
+      -N, --no-color                     Disable pattern highlighting
-      -H, --no-headers                  Disable headers display
+      -H, --no-headers                   Disable headers display
-      -s, --separator string            Custom field separator
+      -s, --separator <string>           Custom field separator
-      -k, --sort-by int|name            Sort by column (default: 1)
+      -k, --sort-by <int|name>           Sort by column (default: 1)
-      -z, --fuzzy                       Use fuzzy search [experimental]
+      -z, --fuzzy                        Use fuzzy search [experimental]
-      -F, --filter field[!]=reg         Filter given field with regex, can be used multiple times
+      -F, --filter <field[!]=reg>        Filter given field with regex, can be used multiple times
-      -T, --transpose-columns string    Transpose the speficied columns (separated by ,)
+      -T, --transpose-columns string     Transpose the speficied columns (separated by ,)
-      -R, --regex-transposer /from/to/  Apply /search/replace/ regexp to fields given in -T
+      -R, --regex-transposer </from/to/> Apply /search/replace/ regexp to fields given in -T
-      -I, --interactive                 Interactively filter and select rows
+      -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
+      -X, --extended                     Enable extended output
-      -M, --markdown                    Enable markdown table output
+      -M, --markdown                     Enable markdown table output
-      -O, --orgtbl                      Enable org-mode table output
+      -O, --orgtbl                       Enable org-mode table output
-      -S, --shell                       Enable shell evaluable output
+      -S, --shell                        Enable shell evaluable output
-      -Y, --yaml                        Enable yaml output
+      -Y, --yaml                         Enable yaml output
-      -C, --csv                         Enable CSV output
+      -C, --csv                          Enable CSV output
-      -A, --ascii                       Default output mode, ascii tabular
+      -A, --ascii                        Default output mode, ascii tabular
-      -L, --hightlight-lines            Use alternating background colors for tables
+      -L, --hightlight-lines             Use alternating background colors for tables
-      -y, --yank-columns                Yank specified columns (separated by ,) to clipboard,
+      -y, --yank-columns                 Yank specified columns (separated by ,) to clipboard,
-                                        space separated
+                                         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
+      -a, --sort-age                     sort according to age (duration) string
-      -D, --sort-desc                   Sort in descending order (default: ascending)
+      -D, --sort-desc                    Sort in descending order (default: ascending)
-      -i, --sort-numeric                sort according to string numerical value
+      -i, --sort-numeric                 sort according to string numerical value
-      -t, --sort-time                   sort according to time string
+      -t, --sort-time                    sort according to time string
 
     Other Flags:
-          --completion <shell>         Generate the autocompletion script for <shell>
+      -r  --read-file <file>             Use <file> as input instead of STDIN
-      -f, --config <file>              Configuration file (default: ~/.config/tablizer/config)
+          --completion <shell>           Generate the autocompletion script for <shell>
-      -d, --debug                      Enable debugging
+      -f, --config <file>                Configuration file (default: ~/.config/tablizer/config)
-      -h, --help                       help for tablizer
+      -d, --debug                        Enable debugging
-      -m, --man                        Display manual page
+      -h, --help                         help for tablizer
-      -V, --version                    Print program version
+      -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
+The output looks like the original  one. You can add the option B<-n>,
-have a numer associated with it, e.g.:
+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

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
+

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

vhsdemo/eval.sh

@@ -0,0 +1,5 @@
+#!/bin/sh
+
+while read LINE; do
+    eval "$LINE"; echo "$Customer ordered $Count ${Units}s"
+done

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