added styled help buffer (#63)

* optimize ascii tables, use custom style instead of tab inserters

.github/workflows/ci.yaml

@@ -4,10 +4,8 @@ jobs:
   build:
     strategy:
       matrix:
-        version: ['1.22']
+        version: ['1.23']
-        # windows-latest removed, see:
+        os: [ubuntu-latest, macos-latest, windows-latest]
-        # https://github.com/rogpeppe/go-internal/issues/284
-        os: [ubuntu-latest, macos-latest]
     name: Build
     runs-on: ${{ matrix.os }}
     steps:
@@ -18,7 +16,7 @@ jobs:
       id: go
 
     - name: checkout
-      uses: actions/checkout@v4
+      uses: actions/checkout@v5
 
     - name: build
       run: make
@@ -32,8 +30,8 @@ jobs:
     steps:
       - uses: actions/setup-go@v5
         with:
-          go-version: 1.22
+          go-version: 1.23
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - name: golangci-lint
         uses: golangci/golangci-lint-action@v6
         with:

.github/workflows/release.yaml

@@ -1,8 +1,8 @@
-name: build-and-test
+name: build-release
 on:
   push:
     tags:
-      - "*"
+      - "v*.*.*"
 
 jobs:
   release:
@@ -10,10 +10,10 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout code
-        uses: actions/checkout@v2
+        uses: actions/checkout@v5
 
       - name: Set up Go
-        uses: actions/setup-go@v1
+        uses: actions/setup-go@v5
         with:
           go-version: 1.22.11
 
@@ -30,3 +30,58 @@ jobs:
           tag: ${{ github.ref_name }}
           file: ./releases/*
           file_glob: true
+
+      - name: Build Changelog
+        id: github_release
+        uses: mikepenz/release-changelog-builder-action@v5
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          mode: "PR"
+          configurationJson: |
+            {
+              "template": "#{{CHANGELOG}}\n\n**Full Changelog**: #{{RELEASE_DIFF}}",
+              "pr_template": "- #{{TITLE}} (##{{NUMBER}}) by #{{AUTHOR}}\n#{{BODY}}",
+              "empty_template": "- no changes",
+              "categories": [
+                {
+                    "title": "## New Features",
+                    "labels": ["add", "feature"]
+                },
+                {
+                    "title": "## Bug Fixes",
+                    "labels": ["fix", "bug", "revert"]
+                },
+                {
+                    "title": "## Documentation Enhancements",
+                    "labels": ["doc"]
+                },
+                {
+                    "title": "## Refactoring Efforts",
+                    "labels": ["refactor"]
+                },
+                {
+                    "title": "## Miscellaneus Changes",
+                    "labels": []
+                }
+              ],
+              "ignore_labels": [
+                 "duplicate", "good first issue", "help wanted", "invalid", "question", "wontfix"
+              ],
+              "label_extractor": [
+                 {
+                    "pattern": "(.) (.+)",
+                    "target": "$1"
+                 },
+                 {
+                    "pattern": "(.) (.+)",
+                    "target": "$1",
+                    "on_property": "title"
+                 }
+              ]
+            }
+    
+      - name: Create Release
+        uses: softprops/action-gh-release@v2
+        with:
+          body: ${{steps.github_release.outputs.changelog}}

Makefile

@@ -64,7 +64,7 @@ install: buildlocal
 clean:
 	rm -rf $(tool) releases coverage.out
 
-test:
+test: clean
 	go test ./... $(OPTS)
 
 singletest:

README.md

@@ -6,25 +6,29 @@
 
 Tablizer  can   be  used   to  re-format   tabular  output   of  other
 programs. While you  could do this using standard unix  tools, in some
-cases it's a hard job.
+cases it's a hard job. With tablizer you can filter by column[s],
+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:
 ```default
 Usage:
-  tablizer [regex] [file, ...] [flags]
+  tablizer [regex,...] [file, ...] [flags]
 
 Operational Flags:
   -c, --columns string              Only show the speficied columns (separated by ,)
   -v, --invert-match                select non-matching rows
-  -n, --no-numbering                Disable header numbering
+  -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                 Sort by column (default: 1)
+  -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
+  -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
 
 Output Flags (mutually exclusive):
   -X, --extended                    Enable extended output

cfg/config.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
@@ -28,7 +28,7 @@ import (
 )
 
 const DefaultSeparator string = `(\s\s+|\t)`
-const Version string = "v1.3.1"
+const Version string = "v1.5.1"
 const MAXPARTS = 2
 
 var DefaultConfigfile = os.Getenv("HOME") + "/.config/tablizer/config"
@@ -52,10 +52,21 @@ type Transposer struct {
 	Replace string
 }
 
+type Pattern struct {
+	Pattern   string
+	PatternRe *regexp.Regexp
+	Negate    bool
+}
+
+type Filter struct {
+	Regex  *regexp.Regexp
+	Negate bool
+}
+
 // internal config
 type Config struct {
 	Debug          bool
-	NoNumbering    bool
+	Numbering      bool
 	NoHeaders      bool
 	Columns        string
 	UseColumns     []int
@@ -64,10 +75,10 @@ type Config struct {
 	Separator      string
 	OutputMode     int
 	InvertMatch    bool
-	Pattern        string
+	Patterns       []*Pattern
-	PatternR       *regexp.Regexp
 	UseFuzzySearch bool
 	UseHighlight   bool
+	Interactive    bool
 
 	SortMode        string
 	SortDescending  bool
@@ -97,7 +108,7 @@ type Config struct {
 
 	// used for field filtering
 	Rawfilters []string
-	Filters    map[string]*regexp.Regexp
+	Filters    map[string]Filter //map[string]*regexp.Regexp
 
 	// -r <file>
 	InputFile string
@@ -267,12 +278,20 @@ func (conf *Config) PrepareModeFlags(flag Modeflag) {
 }
 
 func (conf *Config) PrepareFilters() error {
-	conf.Filters = make(map[string]*regexp.Regexp, len(conf.Rawfilters))
+	conf.Filters = make(map[string]Filter, len(conf.Rawfilters))
 
-	for _, filter := range conf.Rawfilters {
+	for _, rawfilter := range conf.Rawfilters {
-		parts := strings.Split(filter, "=")
+		filter := Filter{}
+
+		parts := strings.Split(rawfilter, "!=")
 		if len(parts) != MAXPARTS {
-			return errors.New("filter field and value must be separated by =")
+			parts = strings.Split(rawfilter, "=")
+
+			if len(parts) != MAXPARTS {
+				return errors.New("filter field and value must be separated by '=' or '!='")
+			}
+		} else {
+			filter.Negate = true
 		}
 
 		reg, err := regexp.Compile(parts[1])
@@ -281,7 +300,8 @@ func (conf *Config) PrepareFilters() error {
 				parts[0], err)
 		}
 
-		conf.Filters[strings.ToLower(strings.ToLower(parts[0]))] = reg
+		filter.Regex = reg
+		conf.Filters[strings.ToLower(parts[0])] = filter
 	}
 
 	return nil
@@ -313,10 +333,10 @@ func (conf *Config) PrepareTransposers() error {
 func (conf *Config) CheckEnv() {
 	// check for environment vars, command line flags have precedence,
 	// NO_COLOR is being checked by the color module itself.
-	if !conf.NoNumbering {
+	if !conf.Numbering {
-		_, set := os.LookupEnv("T_NO_HEADER_NUMBERING")
+		_, set := os.LookupEnv("T_HEADER_NUMBERING")
 		if set {
-			conf.NoNumbering = true
+			conf.Numbering = true
 		}
 	}
 
@@ -331,19 +351,41 @@ func (conf *Config) CheckEnv() {
 func (conf *Config) ApplyDefaults() {
 	// mode specific defaults
 	if conf.OutputMode == Yaml || conf.OutputMode == CSV {
-		conf.NoNumbering = true
+		conf.Numbering = false
 	}
 }
 
-func (conf *Config) PreparePattern(pattern string) error {
+func (conf *Config) PreparePattern(patterns []*Pattern) error {
-	PatternR, err := regexp.Compile(pattern)
+	// regex checks if a pattern looks like /$pattern/[i!]
+	flagre := regexp.MustCompile(`^/(.*)/([i!]*)$`)
 
-	if err != nil {
+	for _, pattern := range patterns {
-		return fmt.Errorf("regexp pattern %s is invalid: %w", conf.Pattern, err)
+		matches := flagre.FindAllStringSubmatch(pattern.Pattern, -1)
+
+		// we have a regex with flags
+		for _, match := range matches {
+			pattern.Pattern = match[1] // the inner part is our actual pattern
+			flags := match[2]          // the flags
+
+			for _, flag := range flags {
+				switch flag {
+				case 'i':
+					pattern.Pattern = `(?i)` + pattern.Pattern
+				case '!':
+					pattern.Negate = true
+				}
+			}
 		}
 
-	conf.PatternR = PatternR
+		PatternRe, err := regexp.Compile(pattern.Pattern)
-	conf.Pattern = pattern
+		if err != nil {
+			return fmt.Errorf("regexp pattern %s is invalid: %w", pattern.Pattern, err)
+		}
+
+		pattern.PatternRe = PatternRe
+	}
+
+	conf.Patterns = patterns
 
 	return nil
 }

cfg/config_test.go

@@ -79,20 +79,55 @@ func TestPrepareSortFlags(t *testing.T) {
 
 func TestPreparePattern(t *testing.T) {
 	var tests = []struct {
-		pattern string
+		patterns  []*Pattern
+		name      string
 		wanterr   bool
+		wanticase bool
+		wantneg   bool
 	}{
-		{"[A-Z]+", false},
+		{
-		{"[a-z", true},
+			[]*Pattern{{Pattern: "[A-Z]+"}},
+			"simple",
+			false,
+			false,
+			false,
+		},
+		{
+			[]*Pattern{{Pattern: "[a-z"}},
+			"regfail",
+			true,
+			false,
+			false,
+		},
+		{
+			[]*Pattern{{Pattern: "/[A-Z]+/i"}},
+			"icase",
+			false,
+			true,
+			false,
+		},
+		{
+			[]*Pattern{{Pattern: "/[A-Z]+/!"}},
+			"negate",
+			false,
+			false,
+			true,
+		},
+		{
+			[]*Pattern{{Pattern: "/[A-Z]+/!i"}},
+			"negicase",
+			false,
+			true,
+			true,
+		},
 	}
 
 	for _, testdata := range tests {
-		testname := fmt.Sprintf("PreparePattern-pattern-%s-wanterr-%t",
+		testname := fmt.Sprintf("PreparePattern-pattern-%s-wanterr-%t", testdata.name, testdata.wanterr)
-			testdata.pattern, testdata.wanterr)
 		t.Run(testname, func(t *testing.T) {
 			conf := Config{}
 
-			err := conf.PreparePattern(testdata.pattern)
+			err := conf.PreparePattern(testdata.patterns)
 
 			if err != nil {
 				if !testdata.wanterr {

cmd/root.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
@@ -17,12 +17,9 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
 package cmd
 
 import (
-	"bytes"
 	"errors"
 	"fmt"
-	"log"
 	"os"
-	"os/exec"
 	"strings"
 
 	"github.com/spf13/cobra"
@@ -30,24 +27,6 @@ import (
 	"github.com/tlinden/tablizer/lib"
 )
 
-func man() {
-	man := exec.Command("less", "-")
-
-	var buffer bytes.Buffer
-
-	buffer.Write([]byte(manpage))
-
-	man.Stdout = os.Stdout
-	man.Stdin = &buffer
-	man.Stderr = os.Stderr
-
-	err := man.Run()
-
-	if err != nil {
-		log.Fatal(err)
-	}
-}
-
 func completion(cmd *cobra.Command, mode string) error {
 	switch mode {
 	case "bash":
@@ -94,7 +73,7 @@ func Execute() {
 			}
 
 			if ShowManual {
-				man()
+				lib.Pager("tablizer manual page", manpage)
 
 				return
 			}
@@ -125,7 +104,7 @@ func Execute() {
 	// options
 	rootCmd.PersistentFlags().BoolVarP(&conf.Debug, "debug", "d", false,
 		"Enable debugging")
-	rootCmd.PersistentFlags().BoolVarP(&conf.NoNumbering, "no-numbering", "n", false,
+	rootCmd.PersistentFlags().BoolVarP(&conf.Numbering, "numbering", "n", false,
 		"Disable header numbering")
 	rootCmd.PersistentFlags().BoolVarP(&conf.NoHeaders, "no-headers", "H", false,
 		"Disable header display")
@@ -151,6 +130,8 @@ func Execute() {
 		"Yank the speficied columns (separated by ,) to the clipboard")
 	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)")
 
 	// sort options
 	rootCmd.PersistentFlags().StringVarP(&conf.SortByColumn, "sort-by", "k", "",
@@ -192,7 +173,7 @@ func Execute() {
 
 	// filters
 	rootCmd.PersistentFlags().StringArrayVarP(&conf.Rawfilters,
-		"filter", "F", nil, "Filter by field (field=regexp)")
+		"filter", "F", nil, "Filter by field (field=regexp || field!=regexp)")
 	rootCmd.PersistentFlags().StringArrayVarP(&conf.Transposers,
 		"regex-transposer", "R", nil, "apply /search/replace/ regexp to fields given in -T")
 

cmd/tablizer.go

@@ -6,20 +6,21 @@ NAME
 
 SYNOPSIS
         Usage:
-          tablizer [regex] [file, ...] [flags]
+          tablizer [regex,...] [file, ...] [flags]
     
         Operational Flags:
           -c, --columns string              Only show the speficied columns (separated by ,)
           -v, --invert-match                select non-matching rows
-          -n, --no-numbering                Disable header numbering
+          -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
+          -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
 
         Output Flags (mutually exclusive):
           -X, --extended                    Enable extended output
@@ -132,30 +133,43 @@ DESCRIPTION
     for the developer.
 
   PATTERNS AND FILTERING
-    You can reduce the rows being displayed by using a regular expression
+    You can reduce the rows being displayed by using one or more regular
-    pattern. The regexp is PCRE compatible, refer to the syntax cheat sheet
+    expression patterns. The regexp language being used is the one of
-    here: <https://github.com/google/re2/wiki/Syntax>. If you want to read a
+    GOLANG, refer to the syntax cheat sheet here:
-    more comprehensive documentation about the topic and have perl installed
+    <https://pkg.go.dev/regexp/syntax>.
-    you can read it with:
+
+    If you want to read a more comprehensive documentation about the topic
+    and have perl installed you can read it with:
 
         perldoc perlre
 
-    Or read it online: <https://perldoc.perl.org/perlre>.
+    Or read it online: <https://perldoc.perl.org/perlre>. But please note
+    that the GO regexp engine does NOT support all perl regex terms,
+    especially look-ahead and look-behind.
 
-    A note on modifiers: the regexp engine used in tablizer uses another
+    If you want to supply flags to a regex, then surround it with slashes
-    modifier syntax:
+    and append the flag. The following flags are supported:
 
-        (?MODIFIER)
+        i => case insensitive
-
+        ! => negative match
-    The most important modifiers are:
-
-    "i" ignore case "m" multiline mode "s" single line mode
 
     Example for a case insensitive search:
 
-        kubectl get pods -A | tablizer "(?i)account"
+        kubectl get pods -A | tablizer "/account/i"
 
-    You can use the experimental fuzzy search feature by providing the
+    If you use the "!" flag, then the regex match will be negated, that is,
+    if a line in the input matches the given regex, but "!" is supplied,
+    tablizer will NOT include it in the output.
+
+    For example, here we want to get all lines matching "foo" but not "bar":
+
+        cat table | tablizer foo '/bar/!'
+
+    This would match a line "foo zorro" but not "foo bar".
+
+    The flags can also be combined.
+
+    You can also use the experimental fuzzy search feature by providing the
     option -z, in which case the pattern is regarded as a fuzzy search term,
     not a regexp.
 
@@ -170,8 +184,26 @@ DESCRIPTION
     If you specify more than one filter, both filters have to match (AND
     operation).
 
+    These field filters can also be negated:
+
+        fieldname!=regexp
+
     If the option -v is specified, the filtering is inverted.
 
+  INTERACTIVE FILTERING
+    You can also use the interactive mode, enabled with "-I" to filter and
+    select rows. This mode is complementary, that is, other filter options
+    are still being respected.
+
+    To enter e filter, hit "/", enter a filter string and finish with
+    "ENTER". Use "SPACE" to select/deselect rows, use "a" to select all
+    (visible) rows.
+
+    Commit your selection with "q". The selected rows are being fed to the
+    requested output mode as usual. Abort with "CTRL-c", in which case the
+    results of the interactive mode are being ignored and all rows are being
+    fed to output.
+
   COLUMNS
     The parameter -c can be used to specify, which columns to display. By
     default tablizer numerizes the header names and these numbers can be
@@ -286,7 +318,7 @@ DESCRIPTION
     influence program behavior. Commandline flags have always precedence
     over environment variables.
 
-    <T_NO_HEADER_NUMBERING> - disable numbering of header fields, like -n.
+    <T_HEADER_NUMBERING> - enable numbering of header fields, like -n.
     <T_COLUMNS> - comma separated list of columns to output, like -c
     <NO_COLORS> - disable colorization of matches, like -N
 
@@ -399,6 +431,9 @@ LICENSE
         Released under the MIT License, Copyright (c) 2006-2011 Kirill
         Simonov
 
+    bubble-table (https://github.com/Evertras/bubble-table)
+        Released under the MIT License, Copyright (c) 2022 Brandon Fulljames
+
 AUTHORS
     Thomas von Dein tom AT vondein DOT org
 
@@ -406,20 +441,21 @@ AUTHORS
 var usage = `
 
 Usage:
-  tablizer [regex] [file, ...] [flags]
+  tablizer [regex,...] [file, ...] [flags]
 
 Operational Flags:
   -c, --columns string              Only show the speficied columns (separated by ,)
   -v, --invert-match                select non-matching rows
-  -n, --no-numbering                Disable header numbering
+  -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
+  -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
 
 Output Flags (mutually exclusive):
   -X, --extended                    Enable extended output

go.mod

@@ -1,37 +1,60 @@
 module github.com/tlinden/tablizer
 
-go 1.22
+go 1.23.0
+
+toolchain go1.23.5
 
 require (
-	github.com/alecthomas/repr v0.4.0
+	github.com/alecthomas/repr v0.5.1
 	github.com/araddon/dateparse v0.0.0-20210429162001-6b43995a97de
-	github.com/atotto/clipboard v0.1.4
+	github.com/charmbracelet/bubbles v0.21.0
-	github.com/gookit/color v1.5.4
+	github.com/charmbracelet/bubbletea v1.3.6
-	github.com/hashicorp/hcl/v2 v2.23.0
+	github.com/charmbracelet/lipgloss v1.1.0
+	github.com/evertras/bubble-table v0.19.0
+	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 v0.0.5
+	github.com/olekukonko/tablewriter v1.0.9
-	github.com/rogpeppe/go-internal v1.13.1
+	github.com/rogpeppe/go-internal v1.14.1
-	github.com/spf13/cobra v1.8.1
+	github.com/spf13/cobra v1.9.1
+	github.com/tiagomelo/go-clipboard v0.1.2
 	gopkg.in/yaml.v3 v3.0.1
 )
 
 require (
 	github.com/agext/levenshtein v1.2.3 // indirect
-	github.com/apparentlymart/go-textseg/v13 v13.0.0 // indirect
 	github.com/apparentlymart/go-textseg/v15 v15.0.0 // indirect
+	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/cellbuf v0.0.13 // indirect
+	github.com/charmbracelet/x/term v0.2.1 // 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 v0.0.0-20150314170334-ad45545899c7 // indirect
+	github.com/mitchellh/go-wordwrap v1.0.1 // indirect
+	github.com/muesli/ansi v0.0.0-20230316100256-276c6243b2f6 // indirect
+	github.com/muesli/cancelreader v0.2.2 // indirect
+	github.com/muesli/reflow v0.3.0 // indirect
+	github.com/muesli/termenv v0.16.0 // indirect
+	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/rivo/uniseg v0.2.0 // indirect
+	github.com/rivo/uniseg v0.4.7 // indirect
-	github.com/spf13/pflag v1.0.5 // indirect
+	github.com/spf13/pflag v1.0.6 // indirect
-	github.com/tiagomelo/go-clipboard v0.1.2-0.20250126153310-fcc1f95408cf // indirect
 	github.com/xo/terminfo v0.0.0-20220910002029-abceb7e1c41e // indirect
-	github.com/zclconf/go-cty v1.13.3 // indirect
+	github.com/zclconf/go-cty v1.16.3 // indirect
-	golang.org/x/mod v0.18.0 // indirect
+	golang.org/x/exp v0.0.0-20231006140011-7918f672742d // indirect
-	golang.org/x/sync v0.7.0 // indirect
+	golang.org/x/mod v0.21.0 // indirect
-	golang.org/x/sys v0.21.0 // indirect
+	golang.org/x/sync v0.15.0 // indirect
-	golang.org/x/text v0.11.0 // indirect
+	golang.org/x/sys v0.33.0 // indirect
-	golang.org/x/tools v0.22.0 // indirect
+	golang.org/x/text v0.25.0 // indirect
+	golang.org/x/tools v0.26.0 // indirect
 )

go.sum

@@ -1,77 +1,118 @@
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-github.com/tiagomelo/go-clipboard v0.1.2-0.20250126153310-fcc1f95408cf/go.mod h1:kXtjJBIMimZaGbxmcKZ8+JqK+acSNf5tAJiChlZBOr8=
 github.com/xo/terminfo v0.0.0-20220910002029-abceb7e1c41e h1:JVG44RsyaB9T2KIHavMF/ppJZNG9ZpyihvCd0w101no=
 github.com/xo/terminfo v0.0.0-20220910002029-abceb7e1c41e/go.mod h1:RbqR21r5mrJuqunuUZ/Dhy/avygyECGrLceyNeo4LiM=
 github.com/yuin/goldmark v1.4.13/go.mod h1:6yULJ656Px+3vBD8DxQVa3kxgyrAnzto9xy5taEt/CY=
-github.com/zclconf/go-cty v1.13.3 h1:m+b9q3YDbg6Bec5rr+KGy1MzEVzY/jC2X+YX4yqKtHI=
+github.com/zclconf/go-cty v1.16.3 h1:osr++gw2T61A8KVYHoQiFbFd1Lh3JOCXc/jFLJXKTxk=
-github.com/zclconf/go-cty v1.13.3/go.mod h1:YKQzy/7pZ7iq2jNFzy5go57xdxdWoLLpaEp4u238AE0=
+github.com/zclconf/go-cty v1.16.3/go.mod h1:VvMs5i0vgZdhYawQNq5kePSpLAoz8u1xvZgrPIxfnZE=
 github.com/zclconf/go-cty-debug v0.0.0-20240509010212-0d6042c53940 h1:4r45xpDWB6ZMSMNJFMOjqrGHynW3DIBuR2H9j0ug+Mo=
 github.com/zclconf/go-cty-debug v0.0.0-20240509010212-0d6042c53940/go.mod h1:CmBdvvj3nqzfzJ6nTCIwDTPZ56aVGvDrmztiO5g3qrM=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
 golang.org/x/crypto v0.0.0-20210921155107-089bfa567519/go.mod h1:GvvjBRRGRdwPK5ydBHafDWAxML/pGHZbMvKqRZ5+Abc=
-golang.org/x/exp v0.0.0-20220909182711-5c715a9e8561 h1:MDc5xs78ZrZr3HMQugiXOAkSZtfTpbJLDr/lwfgO53E=
+golang.org/x/exp v0.0.0-20231006140011-7918f672742d h1:jtJma62tbqLibJ5sFQz8bKtEM8rJBtfilJ2qTU199MI=
-golang.org/x/exp v0.0.0-20220909182711-5c715a9e8561/go.mod h1:cyybsKvd6eL0RnXn6p/Grxp8F5bW7iYuBgsNCOHpMYE=
+golang.org/x/exp v0.0.0-20231006140011-7918f672742d/go.mod h1:ldy0pHrwJyGW56pPQzzkH36rKxoZW1tw7ZJpeKx+hdo=
 golang.org/x/mod v0.6.0-dev.0.20220419223038-86c51ed26bb4/go.mod h1:jJ57K6gSWd91VN4djpZkiMVwK6gcyfeH4XE8wZrZaV4=
 golang.org/x/mod v0.8.0/go.mod h1:iBbtSCu2XBx23ZKBPSOrRkjjQPZFPuis4dIYUhu/chs=
-golang.org/x/mod v0.18.0 h1:5+9lSbEzPSdWkH32vYPBwEpX8KwDbM52Ud9xBUvNlb0=
+golang.org/x/mod v0.21.0 h1:vvrHzRwRfVKSiLrG+d4FMl/Qi4ukBCE6kZlTUkDYRT0=
-golang.org/x/mod v0.18.0/go.mod h1:hTbmBsO62+eylJbnUtE2MGJUyE7QWk4xUqPFrRgJ+7c=
+golang.org/x/mod v0.21.0/go.mod h1:6SkKJ3Xj0I0BrPOZoBy3bdMptDDU9oJrpohJ3eWZ1fY=
 golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
 golang.org/x/net v0.0.0-20210226172049-e18ecbb05110/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg=
 golang.org/x/net v0.0.0-20220722155237-a158d28d115b/go.mod h1:XRhObCWvk6IyKnWLug+ECip1KBveYUHfp+8e9klMJ9c=
@@ -79,16 +120,18 @@ 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 v0.7.0 h1:YsImfSBoP9QPYL0xyKJPq0gcaJdG3rInoqxTWbfQu9M=
+golang.org/x/sync v0.15.0 h1:KWH3jNZsfyT6xfAfKiz6MRNmd46ByHDYaZ7KSkCtdW8=
-golang.org/x/sync v0.7.0/go.mod h1:Czt+wKu1gCyEFDUtn0jG5QVvpJ6rzVqr5aXyt9drQfk=
+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=
+golang.org/x/sys v0.0.0-20210809222454-d867a43fc93e/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20220520151302-bc2c85ada10a/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 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 v0.21.0 h1:rF+pYz3DAGSQAxAu1CbC7catZg4ebC4UIeIhKxBZvws=
+golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.21.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
+golang.org/x/sys v0.33.0 h1:q3i8TbbEz+JRD9ywIRlyRAQbM0qF7hu24q3teo2hbuw=
+golang.org/x/sys v0.33.0/go.mod h1:BJP2sWEmIv4KK5OTEluFJCKSidICx8ciO85XgH3Ak8k=
 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=
@@ -97,14 +140,14 @@ golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
 golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ=
 golang.org/x/text v0.7.0/go.mod h1:mrYo+phRRbMaCq/xk9113O4dZlRixOauAjOtrjsXDZ8=
 golang.org/x/text v0.9.0/go.mod h1:e1OnstbJyHTd6l/uOt8jFFHp6TRDWZR/bV3emEE/zU8=
-golang.org/x/text v0.11.0 h1:LAntKIrcmeSKERyiOh0XMV39LXS8IE9UL2yP7+f5ij4=
+golang.org/x/text v0.25.0 h1:qVyWApTSYLk/drJRO5mDlNYskwQznZmkpV2c8q9zls4=
-golang.org/x/text v0.11.0/go.mod h1:TvPlkZtksWOMsz7fbANvkp4WM8x/WCo/om8BMLbz+aE=
+golang.org/x/text v0.25.0/go.mod h1:WEdwpYrmk1qmdHvhkSTNPm3app7v4rsT8F2UD6+VHIA=
 golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
 golang.org/x/tools v0.1.12/go.mod h1:hNGJHUnrk76NpqgfD5Aqm5Crs+Hm0VOH/i9J2+nxYbc=
 golang.org/x/tools v0.6.0/go.mod h1:Xwgl3UAJ/d3gWutnCtw505GrjyAbvKui8lOU390QaIU=
-golang.org/x/tools v0.22.0 h1:gqSGLZqv+AI9lIQzniJ0nZDRG5GBPsSi+DRNHWNz6yA=
+golang.org/x/tools v0.26.0 h1:v/60pFQmzmT9ExmjDv2gGIfi3OqfKoEP6I5+umXlbnQ=
-golang.org/x/tools v0.22.0/go.mod h1:aCwcsjqvq7Yqt6TNyX7QMU2enbQ/Gt0bo6krSeEri+c=
+golang.org/x/tools v0.26.0/go.mod h1:TPVVj70c7JJ3WCazhD8OdXcZg/og+b9+tH/KxylGwH0=
 golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=

lib/filter.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
@@ -27,15 +27,46 @@ import (
 )
 
 /*
- * [!]Match a  line, use fuzzy  search for normal pattern  strings and
+* [!]Match a  line, use fuzzy  search for normal pattern  strings and
- * regexp otherwise.
+* regexp otherwise.
- */
+
+		'foo bar'  foo, /bar/!  => false => line contains foo and not (not bar)
+	    'foo nix'  foo, /bar/!  => ture  => line contains foo and (not bar)
+		'foo bar'  foo, /bar/   => true  => line contains both foo and bar
+		'foo nix'  foo, /bar/   => false => line does not contain bar
+		'foo bar'  foo, /nix/   => false => line does not contain nix
+*/
 func matchPattern(conf cfg.Config, line string) bool {
-	if conf.UseFuzzySearch {
+	if len(conf.Patterns) == 0 {
-		return fuzzy.MatchFold(conf.Pattern, line)
+		// any line always matches ""
+		return true
 	}
 
-	return conf.PatternR.MatchString(line)
+	if conf.UseFuzzySearch {
+		// fuzzy search only considers the 1st pattern
+		return fuzzy.MatchFold(conf.Patterns[0].Pattern, line)
+	}
+
+	var match int
+
+	//fmt.Printf("<%s>\n", line)
+	for _, re := range conf.Patterns {
+		patmatch := re.PatternRe.MatchString(line)
+		if re.Negate {
+			// toggle the meaning of match
+			patmatch = !patmatch
+		}
+
+		if patmatch {
+			match++
+		}
+
+		//fmt.Printf("patmatch: %t, match: %d, pattern: %s, negate: %t\n", patmatch, match, re.Pattern, re.Negate)
+	}
+
+	// fmt.Printf("result: %t\n", match == len(conf.Patterns))
+	//fmt.Println()
+	return match == len(conf.Patterns)
 }
 
 /*
@@ -55,15 +86,19 @@ func FilterByFields(conf cfg.Config, data *Tabdata) (*Tabdata, bool, error) {
 		keep := true
 
 		for idx, header := range data.headers {
-			if !Exists(conf.Filters, strings.ToLower(header)) {
+			lcheader := strings.ToLower(header)
+			if !Exists(conf.Filters, lcheader) {
 				// do not filter by unspecified field
 				continue
 			}
 
-			if !conf.Filters[strings.ToLower(header)].MatchString(row[idx]) {
+			match := conf.Filters[lcheader].Regex.MatchString(row[idx])
-				// there IS a filter, but it doesn't match
+			if conf.Filters[lcheader].Negate {
-				keep = false
+				match = !match
+			}
 
+			if !match {
+				keep = false
 				break
 			}
 		}
@@ -123,8 +158,11 @@ func Exists[K comparable, V any](m map[K]V, v K) bool {
 	return false
 }
 
+/*
+ * Filters the whole input lines, returns filtered lines
+ */
 func FilterByPattern(conf cfg.Config, input io.Reader) (io.Reader, error) {
-	if conf.Pattern == "" {
+	if len(conf.Patterns) == 0 {
 		return input, nil
 	}
 
@@ -136,7 +174,7 @@ func FilterByPattern(conf cfg.Config, input io.Reader) (io.Reader, error) {
 		line := strings.TrimSpace(scanner.Text())
 		if hadFirst {
 			// don't match 1st line, it's the header
-			if conf.Pattern != "" && matchPattern(conf, line) == conf.InvertMatch {
+			if matchPattern(conf, line) == conf.InvertMatch {
 				// by default  -v is false, so if a  line does NOT
 				// match the pattern, we will ignore it. However,
 				// if the user specified -v, the matching is inverted,

lib/filter_test.go

@@ -1,5 +1,5 @@
 /*
-Copyright © 2024 Thomas von Dein
+Copyright © 2024-2025 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
@@ -29,17 +29,17 @@ func TestMatchPattern(t *testing.T) {
 	var input = []struct {
 		name     string
 		fuzzy    bool
-		pattern string
+		patterns []*cfg.Pattern
 		line     string
 	}{
 		{
 			name:     "normal",
-			pattern: "haus",
+			patterns: []*cfg.Pattern{{Pattern: "haus"}},
 			line:     "hausparty",
 		},
 		{
 			name:     "fuzzy",
-			pattern: "hpt",
+			patterns: []*cfg.Pattern{{Pattern: "hpt"}},
 			line:     "haus-party-termin",
 			fuzzy:    true,
 		},
@@ -55,7 +55,7 @@ func TestMatchPattern(t *testing.T) {
 				conf.UseFuzzySearch = true
 			}
 
-			err := conf.PreparePattern(inputdata.pattern)
+			err := conf.PreparePattern(inputdata.patterns)
 			if err != nil {
 				t.Errorf("PreparePattern returned error: %s", err)
 			}
@@ -98,6 +98,20 @@ func TestFilterByFields(t *testing.T) {
 			},
 		},
 
+		{
+			name:   "one-field-negative",
+			filter: []string{"one!=asd"},
+			expect: Tabdata{
+				headers: []string{
+					"ONE", "TWO", "THREE",
+				},
+				entries: [][]string{
+					{"19191", "EDD 1", "x"},
+					{"8d8", "AN 1", "y"},
+				},
+			},
+		},
+
 		{
 			name:   "one-field-inverted",
 			filter: []string{"one=19"},

lib/helpers.go

@@ -208,13 +208,13 @@ func numberizeAndReduceHeaders(conf cfg.Config, data *Tabdata) {
 			}
 		}
 
-		if conf.NoNumbering {
+		if conf.Numbering {
-			numberedHeaders = append(numberedHeaders, head)
-			headlen = len(head)
-		} else {
 			numhead := fmt.Sprintf("%s(%d)", head, idx+1)
 			headlen = len(numhead)
 			numberedHeaders = append(numberedHeaders, numhead)
+		} else {
+			numberedHeaders = append(numberedHeaders, head)
+			headlen = len(head)
 		}
 
 		if headlen > maxwidth {
@@ -254,17 +254,6 @@ func reduceColumns(conf cfg.Config, data *Tabdata) {
 	}
 }
 
-// FIXME: remove this when we only use Tablewriter and strip in ParseFile()!
-func trimRow(row []string) []string {
-	var fixedrow = make([]string, len(row))
-
-	for idx, cell := range row {
-		fixedrow[idx] = strings.TrimSpace(cell)
-	}
-
-	return fixedrow
-}
-
 // FIXME: refactor this beast!
 func colorizeData(conf cfg.Config, output string) string {
 	switch {
@@ -301,12 +290,20 @@ func colorizeData(conf cfg.Config, output string) string {
 
 		return colorized
 
-	case len(conf.Pattern) > 0 && !conf.NoColor && color.IsConsole(os.Stdout):
+	case len(conf.Patterns) > 0 && !conf.NoColor && color.IsConsole(os.Stdout):
-		r := regexp.MustCompile("(" + conf.Pattern + ")")
+		out := output
 
-		return r.ReplaceAllStringFunc(output, func(in string) string {
+		for _, re := range conf.Patterns {
+			if !re.Negate {
+				r := regexp.MustCompile("(" + re.Pattern + ")")
+
+				out = r.ReplaceAllStringFunc(out, func(in string) string {
 					return conf.ColorStyle.Sprint(in)
 				})
+			}
+		}
+
+		return out
 
 	default:
 		return output

lib/helpers_test.go

@@ -218,19 +218,19 @@ func TestNumberizeHeaders(t *testing.T) {
 	var tests = []struct {
 		expect    []string
 		columns   []int
-		nonum   bool
+		numberize bool
 	}{
-		{[]string{"ONE(1)", "TWO(2)", "THREE(3)"}, []int{1, 2, 3}, false},
+		{[]string{"ONE(1)", "TWO(2)", "THREE(3)"}, []int{1, 2, 3}, true},
-		{[]string{"ONE(1)", "TWO(2)"}, []int{1, 2}, false},
+		{[]string{"ONE(1)", "TWO(2)"}, []int{1, 2}, true},
-		{[]string{"ONE", "TWO"}, []int{1, 2}, true},
+		{[]string{"ONE", "TWO"}, []int{1, 2}, false},
 	}
 
 	for _, testdata := range tests {
 		testname := fmt.Sprintf("numberize-headers-columns-%+v-nonum-%t",
-			testdata.columns, testdata.nonum)
+			testdata.columns, testdata.numberize)
 
 		t.Run(testname, func(t *testing.T) {
-			conf := cfg.Config{Columns: "x", UseColumns: testdata.columns, NoNumbering: testdata.nonum}
+			conf := cfg.Config{Columns: "x", UseColumns: testdata.columns, Numbering: testdata.numberize}
 			usedata := data
 			numberizeAndReduceHeaders(conf, &usedata)
 			if !reflect.DeepEqual(usedata.headers, testdata.expect) {

lib/io.go

@@ -29,13 +29,13 @@ import (
 const RWRR = 0755
 
 func ProcessFiles(conf *cfg.Config, args []string) error {
-	fd, pattern, err := determineIO(conf, args)
+	fd, patterns, err := determineIO(conf, args)
 
 	if err != nil {
 		return err
 	}
 
-	if err := conf.PreparePattern(pattern); err != nil {
+	if err := conf.PreparePattern(patterns); err != nil {
 		return err
 	}
 
@@ -58,14 +58,23 @@ func ProcessFiles(conf *cfg.Config, args []string) error {
 		return err
 	}
 
+	if conf.Interactive {
+		newdata, err := tableEditor(conf, &data)
+		if err != nil {
+			return err
+		}
+
+		data = *newdata
+	}
+
 	printData(os.Stdout, *conf, &data)
 
 	return nil
 }
 
-func determineIO(conf *cfg.Config, args []string) (io.Reader, string, error) {
+func determineIO(conf *cfg.Config, args []string) (io.Reader, []*cfg.Pattern, error) {
 	var filehandle io.Reader
-	var pattern string
+	var patterns []*cfg.Pattern
 	var haveio bool
 
 	switch {
@@ -76,7 +85,7 @@ func determineIO(conf *cfg.Config, args []string) (io.Reader, string, error) {
 		fd, err := os.OpenFile(conf.InputFile, os.O_RDONLY, RWRR)
 
 		if err != nil {
-			return nil, "", fmt.Errorf("failed to read input file %s: %w", conf.InputFile, err)
+			return nil, nil, fmt.Errorf("failed to read input file %s: %w", conf.InputFile, err)
 		}
 
 		filehandle = fd
@@ -93,13 +102,15 @@ func determineIO(conf *cfg.Config, args []string) (io.Reader, string, error) {
 	}
 
 	if len(args) > 0 {
-		pattern = args[0]
+		patterns = make([]*cfg.Pattern, len(args))
-		conf.Pattern = args[0]
+		for i, arg := range args {
+			patterns[i] = &cfg.Pattern{Pattern: arg}
+		}
 	}
 
 	if !haveio {
-		return nil, "", errors.New("no file specified and nothing to read on stdin")
+		return nil, nil, errors.New("no file specified and nothing to read on stdin")
 	}
 
-	return filehandle, pattern, nil
+	return filehandle, patterns, nil
 }

lib/pager.go

@@ -0,0 +1,120 @@
+package lib
+
+// pager setup using bubbletea
+// file shamlelessly copied from:
+// https://github.com/charmbracelet/bubbletea/tree/main/examples/pager
+
+import (
+	"fmt"
+	"os"
+	"strings"
+
+	"github.com/charmbracelet/bubbles/viewport"
+	tea "github.com/charmbracelet/bubbletea"
+	"github.com/charmbracelet/lipgloss"
+)
+
+var (
+	titleStyle = func() lipgloss.Style {
+		b := lipgloss.RoundedBorder()
+		b.Right = "├"
+		return lipgloss.NewStyle().BorderStyle(b).Padding(0, 1)
+	}()
+
+	infoStyle = func() lipgloss.Style {
+		b := lipgloss.RoundedBorder()
+		b.Left = "┤"
+		return titleStyle.BorderStyle(b)
+	}()
+)
+
+type Doc struct {
+	content  string
+	title    string
+	ready    bool
+	viewport viewport.Model
+}
+
+func (m Doc) Init() tea.Cmd {
+	return nil
+}
+
+func (m Doc) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
+	var (
+		cmd  tea.Cmd
+		cmds []tea.Cmd
+	)
+
+	switch msg := msg.(type) {
+	case tea.KeyMsg:
+		if k := msg.String(); k == "ctrl+c" || k == "q" || k == "esc" {
+			return m, tea.Quit
+		}
+
+	case tea.WindowSizeMsg:
+		headerHeight := lipgloss.Height(m.headerView())
+		footerHeight := lipgloss.Height(m.footerView())
+		verticalMarginHeight := headerHeight + footerHeight
+
+		if !m.ready {
+			// Since this program is using the full size of the viewport we
+			// need to wait until we've received the window dimensions before
+			// we can initialize the viewport. The initial dimensions come in
+			// quickly, though asynchronously, which is why we wait for them
+			// here.
+			m.viewport = viewport.New(msg.Width, msg.Height-verticalMarginHeight)
+			m.viewport.YPosition = headerHeight
+			m.viewport.SetContent(m.content)
+			m.ready = true
+		} else {
+			m.viewport.Width = msg.Width
+			m.viewport.Height = msg.Height - verticalMarginHeight
+		}
+	}
+
+	// Handle keyboard and mouse events in the viewport
+	m.viewport, cmd = m.viewport.Update(msg)
+	cmds = append(cmds, cmd)
+
+	return m, tea.Batch(cmds...)
+}
+
+func (m Doc) View() string {
+	if !m.ready {
+		return "\n  Initializing..."
+	}
+	return fmt.Sprintf("%s\n%s\n%s", m.headerView(), m.viewport.View(), m.footerView())
+}
+
+func (m Doc) headerView() string {
+	// title := titleStyle.Render("RPN Help Overview")
+	title := titleStyle.Render(m.title)
+	line := strings.Repeat("─", max(0, m.viewport.Width-lipgloss.Width(title)))
+	return lipgloss.JoinHorizontal(lipgloss.Center, title, line)
+}
+
+func (m Doc) footerView() string {
+	info := infoStyle.Render(fmt.Sprintf("%3.f%%", m.viewport.ScrollPercent()*100))
+	line := strings.Repeat("─", max(0, m.viewport.Width-lipgloss.Width(info)))
+	return lipgloss.JoinHorizontal(lipgloss.Center, line, info)
+}
+
+func max(a, b int) int {
+	if a > b {
+		return a
+	}
+	return b
+}
+
+func Pager(title, message string) {
+	p := tea.NewProgram(
+		Doc{content: message, title: title},
+		tea.WithAltScreen(),       // use the full size of the terminal in its "alternate screen buffer"
+		tea.WithMouseCellMotion(), // turn on mouse support so we can track the mouse wheel
+	)
+
+	if _, err := p.Run(); err != nil {
+		fmt.Println("could not run pager:", err)
+		os.Exit(1)
+	}
+}

lib/parser.go

@@ -137,7 +137,7 @@ func parseTabular(conf cfg.Config, input io.Reader) (Tabdata, error) {
 			}
 		} else {
 			// data processing
-			if conf.Pattern != "" && matchPattern(conf, line) == conf.InvertMatch {
+			if matchPattern(conf, line) == conf.InvertMatch {
 				// by default  -v is false, so if a  line does NOT
 				// match the pattern, we will ignore it. However,
 				// if the user specified -v, the matching is inverted,

lib/parser_test.go

@@ -83,23 +83,26 @@ func TestParser(t *testing.T) {
 
 func TestParserPatternmatching(t *testing.T) {
 	var tests = []struct {
+		name     string
 		entries  [][]string
-		pattern string
+		patterns []*cfg.Pattern
 		invert   bool
 		want     bool
 	}{
 		{
+			name: "match",
 			entries: [][]string{
 				{"asd", "igig", "cxxxncnc"},
 			},
-			pattern: "ig",
+			patterns: []*cfg.Pattern{{Pattern: "ig"}},
 			invert:   false,
 		},
 		{
+			name: "invert",
 			entries: [][]string{
 				{"19191", "EDD 1", "X"},
 			},
-			pattern: "ig",
+			patterns: []*cfg.Pattern{{Pattern: "ig"}},
 			invert:   true,
 		},
 	}
@@ -107,12 +110,15 @@ func TestParserPatternmatching(t *testing.T) {
 	for _, inputdata := range input {
 		for _, testdata := range tests {
 			testname := fmt.Sprintf("parse-%s-with-pattern-%s-inverted-%t",
-				inputdata.name, testdata.pattern, testdata.invert)
+				inputdata.name, testdata.name, testdata.invert)
 			t.Run(testname, func(t *testing.T) {
-				conf := cfg.Config{InvertMatch: testdata.invert, Pattern: testdata.pattern,
+				conf := cfg.Config{
-					Separator: inputdata.separator}
+					InvertMatch: testdata.invert,
+					Patterns:    testdata.patterns,
+					Separator:   inputdata.separator,
+				}
 
-				_ = conf.PreparePattern(testdata.pattern)
+				_ = conf.PreparePattern(testdata.patterns)
 
 				readFd := strings.NewReader(strings.TrimSpace(inputdata.text))
 				gotdata, err := Parse(conf, readFd)
@@ -125,7 +131,7 @@ func TestParserPatternmatching(t *testing.T) {
 				} else {
 					if !reflect.DeepEqual(testdata.entries, gotdata.entries) {
 						t.Errorf("Parser returned invalid data (pattern: %s, invert: %t)\nExp: %+v\nGot: %+v\n",
-							testdata.pattern, testdata.invert, testdata.entries, gotdata.entries)
+							testdata.name, testdata.invert, testdata.entries, gotdata.entries)
 					}
 				}
 			})

lib/printer.go

@@ -22,12 +22,13 @@ import (
 	"fmt"
 	"io"
 	"log"
-	"regexp"
 	"strconv"
 	"strings"
 
 	"github.com/gookit/color"
 	"github.com/olekukonko/tablewriter"
+	"github.com/olekukonko/tablewriter/renderer"
+	"github.com/olekukonko/tablewriter/tw"
 	"github.com/tlinden/tablizer/cfg"
 	"gopkg.in/yaml.v3"
 )
@@ -76,36 +77,58 @@ Emacs org-mode compatible table (also orgtbl-mode)
 */
 func printOrgmodeData(writer io.Writer, conf cfg.Config, data *Tabdata) {
 	tableString := &strings.Builder{}
-	table := tablewriter.NewWriter(tableString)
+
+	table := tablewriter.NewTable(tableString,
+		tablewriter.WithRenderer(
+			renderer.NewBlueprint(
+				tw.Rendition{
+					Borders: tw.Border{
+						Left:   tw.On,
+						Right:  tw.On,
+						Top:    tw.On,
+						Bottom: tw.On,
+					},
+					Settings: tw.Settings{
+						Separators: tw.Separators{
+							ShowHeader:     tw.On,
+							ShowFooter:     tw.Off,
+							BetweenRows:    tw.Off,
+							BetweenColumns: 0,
+						},
+					},
+					Symbols: tw.NewSymbols(tw.StyleASCII),
+				})),
+
+		tablewriter.WithConfig(
+			tablewriter.Config{
+				Header: tw.CellConfig{
+					Formatting: tw.CellFormatting{
+						Alignment:  tw.AlignLeft,
+						AutoFormat: tw.Off,
+					},
+				},
+				Row: tw.CellConfig{
+					Formatting: tw.CellFormatting{
+						Alignment: tw.AlignLeft,
+					},
+				},
+			},
+		),
+	)
 
 	if !conf.NoHeaders {
-		table.SetHeader(data.headers)
+		table.Header(data.headers)
 	}
 
-	for _, row := range data.entries {
+	if err := table.Bulk(data.entries); err != nil {
-		table.Append(trimRow(row))
+		log.Fatalf("Failed to add data to table renderer: %s", err)
 	}
 
-	table.Render()
+	if err := table.Render(); err != nil {
+		log.Fatalf("Failed to render table: %s", err)
+	}
 
-	/* fix output for org-mode (orgtbl)
+	output(writer, color.Sprint(colorizeData(conf, tableString.String())))
-	   tableWriter output:
-	   +------+------+
-	   | cell | cell |
-	   +------+------+
-
-	   Needed for org-mode compatibility:
-	   |------+------|
-	   | cell | cell |
-	   |------+------|
-	*/
-	leftR := regexp.MustCompile(`(?m)^\\+`)
-	rightR := regexp.MustCompile(`\\+(?m)$`)
-
-	output(writer, color.Sprint(
-		colorizeData(conf,
-			rightR.ReplaceAllString(
-				leftR.ReplaceAllString(tableString.String(), "|"), "|"))))
 }
 
 /*
@@ -113,20 +136,57 @@ Markdown table
 */
 func printMarkdownData(writer io.Writer, conf cfg.Config, data *Tabdata) {
 	tableString := &strings.Builder{}
-	table := tablewriter.NewWriter(tableString)
+
+	table := tablewriter.NewTable(tableString,
+		tablewriter.WithRenderer(
+			renderer.NewBlueprint(
+				tw.Rendition{
+					Borders: tw.Border{
+						Left:   tw.On,
+						Right:  tw.On,
+						Top:    tw.Off,
+						Bottom: tw.Off,
+					},
+					Settings: tw.Settings{
+						Separators: tw.Separators{
+							ShowHeader:     tw.On,
+							ShowFooter:     tw.Off,
+							BetweenRows:    tw.Off,
+							BetweenColumns: 0,
+						},
+					},
+					Symbols: tw.NewSymbols(tw.StyleMarkdown),
+				})),
+
+		tablewriter.WithConfig(
+			tablewriter.Config{
+				Header: tw.CellConfig{
+					Formatting: tw.CellFormatting{
+						Alignment:  tw.AlignLeft,
+						AutoFormat: tw.Off,
+					},
+				},
+				Row: tw.CellConfig{
+					Formatting: tw.CellFormatting{
+						Alignment: tw.AlignLeft,
+					},
+				},
+			},
+		),
+	)
 
 	if !conf.NoHeaders {
-		table.SetHeader(data.headers)
+		table.Header(data.headers)
 	}
 
-	for _, row := range data.entries {
+	if err := table.Bulk(data.entries); err != nil {
-		table.Append(trimRow(row))
+		log.Fatalf("Failed to add data to table renderer: %s", err)
 	}
 
-	table.SetBorders(tablewriter.Border{Left: true, Top: false, Right: true, Bottom: false})
+	if err := table.Render(); err != nil {
-	table.SetCenterSeparator("|")
+		log.Fatalf("Failed to render table: %s", err)
+	}
 
-	table.Render()
 	output(writer, color.Sprint(colorizeData(conf, tableString.String())))
 }
 
@@ -135,33 +195,55 @@ Simple ASCII table without any borders etc, just like the input we expect
 */
 func printASCIIData(writer io.Writer, conf cfg.Config, data *Tabdata) {
 	tableString := &strings.Builder{}
-	table := tablewriter.NewWriter(tableString)
+
+	styleTSV := tw.NewSymbolCustom("space").WithColumn("\t")
+
+	table := tablewriter.NewTable(tableString,
+		tablewriter.WithRenderer(
+			renderer.NewBlueprint(tw.Rendition{
+				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},
+				},
+			})),
+		tablewriter.WithConfig(tablewriter.Config{
+			Header: tw.CellConfig{
+				Formatting: tw.CellFormatting{
+					AutoFormat: tw.Off,
+				},
+				Padding: tw.CellPadding{
+					Global: tw.Padding{Left: "", Right: ""},
+				},
+			},
+			Row: tw.CellConfig{
+				Formatting: tw.CellFormatting{
+					AutoWrap:  tw.WrapNone,
+					Alignment: tw.AlignLeft,
+				},
+				Padding: tw.CellPadding{
+					Global: tw.Padding{Left: "", Right: ""},
+				},
+			},
+
+			Debug: true,
+		}),
+		tablewriter.WithPadding(tw.PaddingNone),
+	)
 
 	if !conf.NoHeaders {
-		table.SetHeader(data.headers)
+		table.Header(data.headers)
 	}
 
-	table.AppendBulk(data.entries)
+	if err := table.Bulk(data.entries); err != nil {
-
+		log.Fatalf("Failed to add data to table renderer: %s", err)
-	table.SetAutoWrapText(false)
+	}
-	table.SetAutoFormatHeaders(true)
+
-	table.SetHeaderAlignment(tablewriter.ALIGN_LEFT)
+	if err := table.Render(); err != nil {
-	table.SetAlignment(tablewriter.ALIGN_LEFT)
+		log.Fatalf("Failed to render table: %s", err)
-	table.SetCenterSeparator("")
-	table.SetColumnSeparator("")
-	table.SetRowSeparator("")
-	table.SetHeaderLine(false)
-	table.SetBorder(false)
-	table.SetNoWhiteSpace(true)
-
-	if !conf.UseHighlight {
-		// the tabs destroy the highlighting
-		table.SetTablePadding("\t") // pad with tabs
-	} else {
-		table.SetTablePadding("   ")
 	}
 
-	table.Render()
 	output(writer, color.Sprint(colorizeData(conf, tableString.String())))
 }
 

lib/printer_test.go

@@ -65,7 +65,7 @@ var tests = []struct {
 	sortby    string // empty == default
 	column    int    // sort by this column (numbers start by 1)
 	desc      bool   // sort in descending order, default == ascending
-	nonum     bool   // hide numbering
+	numberize bool   // add header numbering
 	mode      int    // shell, orgtbl, etc. empty == default: ascii
 	usecol    []int  // columns to display, empty == display all
 	usecolstr string // for testname, must match usecol
@@ -74,6 +74,7 @@ var tests = []struct {
 	// --------------------- Default settings mode tests ``
 	{
 		mode:      cfg.ASCII,
+		numberize: true,
 		name:      "default",
 		expect: `
 NAME(1)	DURATION(2)	COUNT(3)	WHEN(4)                   
@@ -83,6 +84,7 @@ ceta   	33d12h     	9       	06/Jan/2008 15:04:05 -0700`,
 	},
 	{
 		mode:      cfg.CSV,
+		numberize: false,
 		name:      "csv",
 		expect: `
 NAME,DURATION,COUNT,WHEN
@@ -91,7 +93,8 @@ alpha,4h35m,170,2013-Feb-03
 ceta,33d12h,9,06/Jan/2008 15:04:05 -0700`,
 	},
 	{
-		name: "default",
+		name:      "orgtbl",
+		numberize: true,
 		mode:      cfg.Orgtbl,
 		expect: `
 +---------+-------------+----------+----------------------------+
@@ -103,8 +106,9 @@ ceta,33d12h,9,06/Jan/2008 15:04:05 -0700`,
 +---------+-------------+----------+----------------------------+`,
 	},
 	{
-		name: "default",
+		name:      "markdown",
 		mode:      cfg.Markdown,
+		numberize: true,
 		expect: `
 | NAME(1) | DURATION(2) | COUNT(3) | WHEN(4)                    |
 |---------|-------------|----------|----------------------------|
@@ -113,18 +117,18 @@ ceta,33d12h,9,06/Jan/2008 15:04:05 -0700`,
 | ceta    | 33d12h      | 9        | 06/Jan/2008 15:04:05 -0700 |`,
 	},
 	{
-		name:  "default",
+		name:      "shell",
 		mode:      cfg.Shell,
-		nonum: true,
+		numberize: false,
 		expect: `
 NAME="beta" DURATION="1d10h5m1s" COUNT="33" WHEN="3/1/2014"
 NAME="alpha" DURATION="4h35m" COUNT="170" WHEN="2013-Feb-03"
 NAME="ceta" DURATION="33d12h" COUNT="9" WHEN="06/Jan/2008 15:04:05 -0700"`,
 	},
 	{
-		name:  "default",
+		name:      "yaml",
 		mode:      cfg.Yaml,
-		nonum: true,
+		numberize: false,
 		expect: `
 entries:
     - count: 33
@@ -141,8 +145,9 @@ entries:
       when: "06/Jan/2008 15:04:05 -0700"`,
 	},
 	{
-		name: "default",
+		name:      "extended",
 		mode:      cfg.Extended,
+		numberize: true,
 		expect: `
     NAME(1): beta
 DURATION(2): 1d10h5m1s
@@ -165,6 +170,7 @@ DURATION(2): 33d12h
 		name:      "sortbycolumn3",
 		column:    3,
 		sortby:    "numeric",
+		numberize: true,
 		desc:      false,
 		expect: `
 NAME(1)	DURATION(2)	COUNT(3)	WHEN(4)                   
@@ -177,6 +183,7 @@ alpha  	4h35m      	170     	2013-Feb-03`,
 		column:    4,
 		sortby:    "time",
 		desc:      false,
+		numberize: true,
 		expect: `
 NAME(1)	DURATION(2)	COUNT(3)	WHEN(4)                   
 ceta   	33d12h     	9       	06/Jan/2008 15:04:05 -0700
@@ -187,6 +194,7 @@ beta   	1d10h5m1s  	33      	3/1/2014`,
 		name:      "sortbycolumn2",
 		column:    2,
 		sortby:    "duration",
+		numberize: true,
 		desc:      false,
 		expect: `
 NAME(1)	DURATION(2)	COUNT(3)	WHEN(4)                   
@@ -199,6 +207,7 @@ ceta   	33d12h     	9       	06/Jan/2008 15:04:05 -0700`,
 	{
 		name:      "usecolumns",
 		usecol:    []int{1, 4},
+		numberize: true,
 		usecolstr: "1,4",
 		expect: `
 NAME(1)	WHEN(4)                   
@@ -209,6 +218,7 @@ ceta   	06/Jan/2008 15:04:05 -0700`,
 	{
 		name:      "usecolumns",
 		usecol:    []int{2},
+		numberize: true,
 		usecolstr: "2",
 		expect: `
 DURATION(2)
@@ -219,6 +229,7 @@ DURATION(2)
 	{
 		name:      "usecolumns",
 		usecol:    []int{3},
+		numberize: true,
 		usecolstr: "3",
 		expect: `
 COUNT(3)
@@ -230,6 +241,7 @@ COUNT(3)
 		name:      "usecolumns",
 		column:    0,
 		usecol:    []int{1, 3},
+		numberize: true,
 		usecolstr: "1,3",
 		expect: `
 NAME(1)	COUNT(3)
@@ -240,6 +252,7 @@ ceta   	9`,
 	{
 		name:      "usecolumns",
 		usecol:    []int{2, 4},
+		numberize: true,
 		usecolstr: "2,4",
 		expect: `
 DURATION(2)	WHEN(4)                   
@@ -251,8 +264,10 @@ DURATION(2)	WHEN(4)
 
 func TestPrinter(t *testing.T) {
 	for _, testdata := range tests {
-		testname := fmt.Sprintf("print-%s-%d-desc-%t-sortby-%s-mode-%d-usecolumns-%s",
+		testname := fmt.Sprintf("print-%s-%d-desc-%t-sortby-%s-mode-%d-usecolumns-%s-numberize-%t",
-			testdata.name, testdata.column, testdata.desc, testdata.sortby, testdata.mode, testdata.usecolstr)
+			testdata.name, testdata.column, testdata.desc, testdata.sortby,
+			testdata.mode, testdata.usecolstr, testdata.numberize)
+
 		t.Run(testname, func(t *testing.T) {
 			// replaces os.Stdout, but we ignore it
 			var writer bytes.Buffer
@@ -262,7 +277,7 @@ func TestPrinter(t *testing.T) {
 				SortDescending: testdata.desc,
 				SortMode:       testdata.sortby,
 				OutputMode:     testdata.mode,
-				NoNumbering:    testdata.nonum,
+				Numbering:      testdata.numberize,
 				UseColumns:     testdata.usecol,
 				NoColor:        true,
 			}

lib/tableeditor.go

@@ -0,0 +1,516 @@
+/*
+Copyright © 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
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+package lib
+
+import (
+	"fmt"
+	"os"
+	"strings"
+
+	tea "github.com/charmbracelet/bubbletea"
+	"github.com/charmbracelet/lipgloss"
+	"github.com/evertras/bubble-table/table"
+	"github.com/tlinden/tablizer/cfg"
+)
+
+// 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
+	totalHeight int
+
+	// 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 (
+	// header+footer
+	ExtraRows = 5
+
+	HelpFooter = "?:help | "
+)
+
+var (
+	// we use our own custom border style
+	customBorder = table.Border{
+		Top:    "─",
+		Left:   "│",
+		Right:  "│",
+		Bottom: "─",
+
+		TopRight:    "╮",
+		TopLeft:     "╭",
+		BottomRight: "╯",
+		BottomLeft:  "╰",
+
+		TopJunction:    "┬",
+		LeftJunction:   "├",
+		RightJunction:  "┤",
+		BottomJunction: "┴",
+		InnerJunction:  "┼",
+
+		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().
+			Background(lipgloss.Color("#ffffff")).
+			Foreground(lipgloss.Color("#696969")).
+			Align(lipgloss.Left)
+
+	// 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
+)
+
+// 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))
+	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
+	for _, entry := range data.entries {
+		for i, cell := range entry {
+			if len(cell) > lengths[i] {
+				lengths[i] = len(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
+		}
+	}
+
+	// setup column data with flexColumns
+	for idx, header := range data.headers {
+		// FIXME: doesn't work
+		//columns[idx] = table.NewFlexColumn(strings.ToLower(header), StyleHeader.Render(header),
+		columns[idx] = table.NewFlexColumn(strings.ToLower(header), 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
+}
+
+// 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()
+
+	if len(selected) > 0 {
+		for i, row := range selected {
+			rows[i] = row.Selected(false)
+		}
+	} else {
+		for i, row := range rows {
+			rows[i] = row.Selected(true)
+		}
+	}
+
+	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).
+		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
+		cmds []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:
+			switch msg.String() {
+			case "q":
+				m.quitting = true
+				m.unchanged = false
+				cmds = append(cmds, tea.Quit)
+
+			case "ctrl+c":
+				m.quitting = true
+				m.unchanged = true
+				cmds = append(cmds, tea.Quit)
+
+			case "a":
+				m.ToggleAllSelected()
+
+			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))
+
+	if m.Table.GetIsFilterInputFocused() {
+		footer = fmt.Sprintf("/%s %s", m.Table.GetCurrentFilter(), footer)
+	} else if m.Table.GetIsFilterActive() {
+		footer = fmt.Sprintf("Filter: %s %s", m.Table.GetCurrentFilter(), 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()).
+		WithMinimumHeight(m.calculateHeight()).
+		WithPageSize(m.calculateHeight() - ExtraRows)
+}
+
+func (m *FilterTable) calculateWidth() int {
+	return m.ctx.totalWidth - m.ctx.horizontalMargin
+}
+
+// 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
+	}
+
+	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
+	//
+	// TODO: doesn't work with libgloss v2 anymore!
+	lipgloss.SetDefaultRenderer(lipgloss.NewRenderer(os.Stderr))
+
+	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, ctx),
+		tea.WithOutput(os.Stderr),
+		tea.WithAltScreen())
+
+	m, err := program.Run()
+
+	if err != nil {
+		return nil, err
+	}
+
+	if m.(FilterTable).unchanged {
+		return data, err
+	}
+
+	// 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 {
+			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
+	}
+
+	return data, err
+}

main_test.go

@@ -1,16 +1,15 @@
 package main
 
 import (
-	"os"
 	"testing"
 
 	"github.com/rogpeppe/go-internal/testscript"
 )
 
 func TestMain(m *testing.M) {
-	os.Exit(testscript.RunMain(m, map[string]func() int{
+	testscript.Main(m, map[string]func(){
-		"tablizer": Main,
+		"tablizer": main,
-	}))
+	})
 }
 
 func TestTablizer(t *testing.T) {

mkrel.sh

@@ -42,8 +42,15 @@ for D in $DIST; do
     binfile="releases/${tool}-${os}-${arch}-${version}"
     tardir="${tool}-${os}-${arch}-${version}"
     tarfile="releases/${tool}-${os}-${arch}-${version}.tar.gz"
+    pie=""
+
+    if test "$D" = "linux/amd64"; then
+        pie="-buildmode=pie"
+    fi
+    
     set -x
-    GOOS=${os} GOARCH=${arch} go build -o ${binfile} -ldflags "-X 'github.com/tlinden/tablizer/cfg.VERSION=${version}'"
+    GOOS=${os} GOARCH=${arch} go build -tags osusergo,netgo -ldflags "-extldflags=-static -w -X 'github.com/tlinden/tablizer/cfg.VERSION=${version}'" --trimpath $pie -o ${binfile}
+    strip --strip-all ${binfile}
     mkdir -p ${tardir}
     cp ${binfile} README.md LICENSE ${tardir}/
     echo 'tool = tablizer

t/test-basics.txtar

@@ -6,10 +6,6 @@ stdout Usage
 exec tablizer -V
 stdout version
 
-# manpage
-exec tablizer -m
-stdout SYNOPSIS
-
 # completion
 exec tablizer --completion bash
 stdout __tablizer_init_completion

t/test-multipatterns.txtar

@@ -0,0 +1,46 @@
+# filtering
+
+# a AND b
+exec tablizer -r testtable.txt -H -cspecies invasive imperium
+stdout 'namak'
+! stdout human
+
+# a AND !b
+exec tablizer -r testtable.txt -H -cspecies invasive '/imperium/!'
+stdout 'human'
+! stdout namak
+
+# a AND !b AND c
+exec tablizer -r testtable.txt -H -cspecies peaceful '/imperium/!' planetary
+stdout 'kenaha'
+! stdout 'namak|heduu|riedl'
+
+# case insensitive
+exec tablizer -r testtable.txt -H -cspecies '/REGIONAL/i'
+stdout namak
+! stdout 'human|riedl|heduu|kenaa'
+
+# case insensitive negated
+exec tablizer -r testtable.txt -H -cspecies '/REGIONAL/!i'
+stdout 'human|riedl|heduu|kenaa'
+! stdout namak
+
+# !a AND !b
+exec tablizer -r testtable.txt -H -cspecies '/galactic/!' '/planetary/!'
+stdout namak
+! stdout 'human|riedl|heduu|kenaa'
+
+# same case insensitive
+exec tablizer -r testtable.txt -H -cspecies '/GALACTIC/i!' '/PLANETARY/!i'
+stdout namak
+! stdout 'human|riedl|heduu|kenaa'
+
+# will be automatically created in work dir
+-- testtable.txt --
+SPECIES   TYPE         HOME     STAGE             SPREAD
+human     invasive     earth    brink             planetary
+riedl     peaceful     keauna   civilized         pangalactic
+namak     invasive     namak    imperium          regional
+heduu     peaceful     iu       imperium          galactic
+kenaha    peaceful     kohi     hunter-gatherer   planetary
+

t/testtable5

@@ -0,0 +1,6 @@
+SPECIES   TYPE         HOME     STAGE
+human     invasive     earth    brink
+riedl     peaceful     keauna   civilized
+namak     invasive     namak    imperium
+heduu     peaceful     iu       imperium
+kenaha    peaceful     kohi     hunter-gatherer

tablizer.1

@@ -133,7 +133,7 @@
 .\" ========================================================================
 .\"
 .IX Title "TABLIZER 1"
-.TH TABLIZER 1 "2025-01-23" "1" "User Commands"
+.TH TABLIZER 1 "2025-08-28" "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
@@ -144,20 +144,21 @@ tablizer \- Manipulate tabular output of other programs
 .IX Header "SYNOPSIS"
 .Vb 2
 \&    Usage:
-\&      tablizer [regex] [file, ...] [flags]
+\&      tablizer [regex,...] [file, ...] [flags]
 \&    
 \&    Operational Flags:
 \&      \-c, \-\-columns string              Only show the speficied columns (separated by ,)
 \&      \-v, \-\-invert\-match                select non\-matching rows
-\&      \-n, \-\-no\-numbering                Disable header numbering
+\&      \-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
+\&      \-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
 \&
 \&    Output Flags (mutually exclusive):
 \&      \-X, \-\-extended                    Enable extended output
@@ -280,38 +281,52 @@ Finally the  \fB\-d\fR option  enables debugging  output which  is mostly
 useful for the developer.
 .SS "\s-1PATTERNS AND FILTERING\s0"
 .IX Subsection "PATTERNS AND FILTERING"
-You can reduce the rows being  displayed by using a regular expression
+You can reduce  the rows being displayed by using  one or more regular
-pattern.  The  regexp is  \s-1PCRE\s0 compatible, refer  to the  syntax cheat
+expression patterns.   The regexp  language being used  is the  one of
-sheet here: <https://github.com/google/re2/wiki/Syntax>.  If you want
+\&\s-1GOLANG,\s0     refer    to     the    syntax     cheat    sheet     here:
-to read  a more comprehensive  documentation about the topic  and have
+<https://pkg.go.dev/regexp/syntax>.
-perl installed you can read it with:
+.PP
+If you  want to  read a more  comprehensive documentation  about the
+topic and have perl installed you can read it with:
 .PP
 .Vb 1
 \&    perldoc perlre
 .Ve
 .PP
-Or read it online: <https://perldoc.perl.org/perlre>.
+Or read it online: <https://perldoc.perl.org/perlre>. But please note
+that the \s-1GO\s0 regexp engine does \s-1NOT\s0 support all perl regex terms,
+especially look-ahead and look-behind.
 .PP
-A note on  modifiers: the regexp engine used in  tablizer uses another
+If you want to supply flags to a regex, then surround it with slashes
-modifier syntax:
+and append the flag. The following flags are supported:
 .PP
-.Vb 1
+.Vb 2
-\&    (?MODIFIER)
+\&    i => case insensitive
+\&    ! => negative match
 .Ve
 .PP
-The most important modifiers are:
-.PP
-\&\f(CW\*(C`i\*(C'\fR ignore case
-\&\f(CW\*(C`m\*(C'\fR multiline mode
-\&\f(CW\*(C`s\*(C'\fR single line mode
-.PP
 Example for a case insensitive search:
 .PP
 .Vb 1
-\&    kubectl get pods \-A | tablizer "(?i)account"
+\&    kubectl get pods \-A | tablizer "/account/i"
 .Ve
 .PP
-You  can use  the experimental  fuzzy search  feature by  providing the
+If you use the \f(CW\*(C`!\*(C'\fR flag, then the regex match will be negated, that
+is, if a line in the input matches the given regex, but \f(CW\*(C`!\*(C'\fR is
+supplied, tablizer will \s-1NOT\s0 include it in the output.
+.PP
+For example, here we want to get all lines matching \*(L"foo\*(R" but not
+\&\*(L"bar\*(R":
+.PP
+.Vb 1
+\&    cat table | tablizer foo \*(Aq/bar/!\*(Aq
+.Ve
+.PP
+This would match a line \*(L"foo zorro\*(R" but not \*(L"foo bar\*(R".
+.PP
+The flags can also be combined.
+.PP
+You  can also use  the experimental  fuzzy search  feature by  providing the
 option \fB\-z\fR, in which case the  pattern is regarded as a fuzzy search
 term, not a regexp.
 .PP
@@ -328,7 +343,27 @@ Fieldnames (== columns headers) are case insensitive.
 If you specify more than one filter, both filters have to match (\s-1AND\s0
 operation).
 .PP
+These field filters can also be negated:
+.PP
+.Vb 1
+\&    fieldname!=regexp
+.Ve
+.PP
 If the option \fB\-v\fR is specified, the filtering is inverted.
+.SS "\s-1INTERACTIVE FILTERING\s0"
+.IX Subsection "INTERACTIVE FILTERING"
+You can also use the interactive mode, enabled with \f(CW\*(C`\-I\*(C'\fR to filter
+and select rows. This mode is complementary, that is, other filter
+options are still being respected.
+.PP
+To enter e filter, hit \f(CW\*(C`/\*(C'\fR, enter a filter string and finish with
+\&\f(CW\*(C`ENTER\*(C'\fR. Use \f(CW\*(C`SPACE\*(C'\fR to select/deselect rows, use \f(CW\*(C`a\*(C'\fR to select all
+(visible) rows.
+.PP
+Commit your selection with \f(CW\*(C`q\*(C'\fR. The selected rows are being fed to
+the requested output mode as usual. Abort with \f(CW\*(C`CTRL\-c\*(C'\fR, in which
+case the results of the interactive mode are being ignored and all
+rows are being fed to output.
 .SS "\s-1COLUMNS\s0"
 .IX Subsection "COLUMNS"
 The  parameter  \fB\-c\fR  can  be  used  to  specify,  which  columns  to
@@ -463,8 +498,8 @@ separated by one space.
 \&\fBtablizer\fR supports  certain environment variables which  use can use
 to  influence   program  behavior.   Commandline  flags   have  always
 precedence over environment variables.
-.IP "<T_NO_HEADER_NUMBERING> \- disable numbering of header fields, like \fB\-n\fR." 4
+.IP "<T_HEADER_NUMBERING> \- enable numbering of header fields, like \fB\-n\fR." 4
-.IX Item "<T_NO_HEADER_NUMBERING> - disable numbering of header fields, like -n."
+.IX Item "<T_HEADER_NUMBERING> - enable numbering of header fields, like -n."
 .PD 0
 .IP "<T_COLUMNS> \- comma separated list of columns to output, like \fB\-c\fR" 4
 .IX Item "<T_COLUMNS> - comma separated list of columns to output, like -c"
@@ -595,6 +630,9 @@ Released under the \s-1MIT\s0 License, Copyright (c) 201 by Oleku Konko
 .IP "yaml (gopkg.in/yaml.v3)" 4
 .IX Item "yaml (gopkg.in/yaml.v3)"
 Released under the \s-1MIT\s0 License, Copyright (c) 2006\-2011 Kirill Simonov
+.IP "bubble-table (https://github.com/Evertras/bubble\-table)" 4
+.IX Item "bubble-table (https://github.com/Evertras/bubble-table)"
+Released under the \s-1MIT\s0 License, Copyright (c) 2022 Brandon Fulljames
 .SH "AUTHORS"
 .IX Header "AUTHORS"
 Thomas von Dein \fBtom \s-1AT\s0 vondein \s-1DOT\s0 org\fR

tablizer.pod

@@ -5,20 +5,21 @@ tablizer - Manipulate tabular output of other programs
 =head1 SYNOPSIS
 
     Usage:
-      tablizer [regex] [file, ...] [flags]
+      tablizer [regex,...] [file, ...] [flags]
     
     Operational Flags:
       -c, --columns string              Only show the speficied columns (separated by ,)
       -v, --invert-match                select non-matching rows
-      -n, --no-numbering                Disable header numbering
+      -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
+      -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
 
     Output Flags (mutually exclusive):
       -X, --extended                    Enable extended output
@@ -144,32 +145,44 @@ useful for the developer.
 
 =head2 PATTERNS AND FILTERING
 
-You can reduce the rows being  displayed by using a regular expression
+You can reduce  the rows being displayed by using  one or more regular
-pattern.  The  regexp is  PCRE compatible, refer  to the  syntax cheat
+expression patterns.   The regexp  language being used  is the  one of
-sheet here: L<https://github.com/google/re2/wiki/Syntax>.  If you want
+GOLANG,     refer    to     the    syntax     cheat    sheet     here:
-to read  a more comprehensive  documentation about the topic  and have
+L<https://pkg.go.dev/regexp/syntax>.
-perl installed you can read it with:
+
+If you  want to  read a more  comprehensive documentation  about the
+topic and have perl installed you can read it with:
 
     perldoc perlre
 
-Or read it online: L<https://perldoc.perl.org/perlre>.
+Or read it online: L<https://perldoc.perl.org/perlre>. But please note
+that the GO regexp engine does NOT support all perl regex terms,
+especially look-ahead and look-behind.
 
-A note on  modifiers: the regexp engine used in  tablizer uses another
+If you want to supply flags to a regex, then surround it with slashes
-modifier syntax:
+and append the flag. The following flags are supported:
 
-    (?MODIFIER)
+    i => case insensitive
-
+    ! => negative match
-The most important modifiers are:
-
-C<i> ignore case
-C<m> multiline mode
-C<s> single line mode
 
 Example for a case insensitive search:
 
-    kubectl get pods -A | tablizer "(?i)account"
+    kubectl get pods -A | tablizer "/account/i"
 
-You  can use  the experimental  fuzzy search  feature by  providing the
+If you use the C<!> flag, then the regex match will be negated, that
+is, if a line in the input matches the given regex, but C<!> is
+supplied, tablizer will NOT include it in the output.
+
+For example, here we want to get all lines matching "foo" but not
+"bar":
+
+    cat table | tablizer foo '/bar/!'
+
+This would match a line "foo zorro" but not "foo bar".
+
+The flags can also be combined.
+
+You  can also use  the experimental  fuzzy search  feature by  providing the
 option B<-z>, in which case the  pattern is regarded as a fuzzy search
 term, not a regexp.
 
@@ -184,8 +197,26 @@ Fieldnames (== columns headers) are case insensitive.
 If you specify more than one filter, both filters have to match (AND
 operation).
 
+These field filters can also be negated:
+
+    fieldname!=regexp
+
 If the option B<-v> is specified, the filtering is inverted.
 
+=head2 INTERACTIVE FILTERING
+
+You can also use the interactive mode, enabled with C<-I> to filter
+and select rows. This mode is complementary, that is, other filter
+options are still being respected.
+
+To enter e filter, hit C</>, enter a filter string and finish with
+C<ENTER>. Use C<SPACE> to select/deselect rows, use C<a> to select all
+(visible) rows.
+
+Commit your selection with C<q>. The selected rows are being fed to
+the requested output mode as usual. Abort with C<CTRL-c>, in which
+case the results of the interactive mode are being ignored and all
+rows are being fed to output.
 
 =head2 COLUMNS
 
@@ -313,7 +344,7 @@ precedence over environment variables.
 
 =over
 
-=item <T_NO_HEADER_NUMBERING> - disable numbering of header fields, like B<-n>.
+=item <T_HEADER_NUMBERING> - enable numbering of header fields, like B<-n>.
 
 =item <T_COLUMNS> - comma separated list of columns to output, like B<-c>
 
@@ -449,6 +480,10 @@ Released under the MIT License, Copyright (c) 201 by Oleku Konko
 
 Released under the MIT License, Copyright (c) 2006-2011 Kirill Simonov
 
+=item bubble-table (https://github.com/Evertras/bubble-table)
+
+Released under the MIT License, Copyright (c) 2022 Brandon Fulljames
+
 =back
 
 =head1 AUTHORS