added -L flag to highligh lines in alternating bg color

cfg/config.go

@@ -22,7 +22,6 @@ import (
 	"os"
 	"regexp"
 
-
 	"github.com/glycerine/zygomys/zygo"
 	"github.com/gookit/color"
 )
@@ -46,6 +45,7 @@ type Config struct {
 	Pattern        string
 	PatternR       *regexp.Regexp
 	UseFuzzySearch bool
+	UseHighlight   bool
 
 	SortMode       string
 	SortDescending bool
@@ -55,7 +55,8 @@ type Config struct {
 	 FIXME: make configurable somehow, config file or ENV
 	 see https://github.com/gookit/color.
 	*/
-	ColorStyle color.Style
+	ColorStyle     color.Style
+	HighlightStyle color.Style
 
 	NoColor bool
 
@@ -104,13 +105,16 @@ func Colors() map[color.Level]map[string]color.Color {
 	return map[color.Level]map[string]color.Color{
 		color.Level16: {
 			"bg": color.BgGreen, "fg": color.FgBlack,
+			"hlbg": color.BgGray, "hlfg": color.FgWhite,
 		},
 		color.Level256: {
 			"bg": color.BgLightGreen, "fg": color.FgBlack,
+			"hlbg": color.BgGray, "hlfg": color.FgWhite,
 		},
 		color.LevelRgb: {
 			// FIXME: maybe use something nicer
 			"bg": color.BgLightGreen, "fg": color.FgBlack,
+			"hlbg": color.BgGray, "hlfg": color.FgWhite,
 		},
 	}
 }
@@ -123,6 +127,7 @@ func (c *Config) DetermineColormode() {
 		level := color.TermColorLevel()
 		colors := Colors()
 		c.ColorStyle = color.New(colors[level]["bg"], colors[level]["fg"])
+		c.HighlightStyle = color.New(colors[level]["hlbg"], colors[level]["hlfg"])
 	}
 }
 

cmd/root.go

@@ -118,6 +118,7 @@ func Execute() {
 	rootCmd.PersistentFlags().BoolVarP(&conf.InvertMatch, "invert-match", "v", false, "select non-matching rows")
 	rootCmd.PersistentFlags().BoolVarP(&ShowManual, "man", "m", false, "Display manual page")
 	rootCmd.PersistentFlags().BoolVarP(&conf.UseFuzzySearch, "fuzzy", "z", false, "Use fuzzy searching")
+	rootCmd.PersistentFlags().BoolVarP(&conf.UseHighlight, "highlight-lines", "L", false, "Use alternating background colors")
 	rootCmd.PersistentFlags().StringVarP(&ShowCompletion, "completion", "", "", "Display completion code")
 	rootCmd.PersistentFlags().StringVarP(&conf.Separator, "separator", "s", cfg.DefaultSeparator, "Custom field separator")
 	rootCmd.PersistentFlags().StringVarP(&conf.Columns, "columns", "c", "", "Only show the speficied columns (separated by ,)")

cmd/tablizer.go

@@ -22,10 +22,11 @@ SYNOPSIS
           -X, --extended           Enable extended output
           -M, --markdown           Enable markdown table output
           -O, --orgtbl             Enable org-mode table output
-          -S, --shell              Enable shell evaluable ouput
+          -S, --shell              Enable shell evaluable output
           -Y, --yaml               Enable yaml output
           -C, --csv                Enable CSV output
           -A, --ascii              Default output mode, ascii tabular
+          -L, --hightlight-lines   Use alternating background colors for tables
 
         Sort Mode Flags (mutually exclusive):
           -a, --sort-age           sort according to age (duration) string
@@ -38,7 +39,7 @@ SYNOPSIS
           -d, --debug              Enable debugging
           -h, --help               help for tablizer
           -m, --man                Display manual page
-          -v, --version            Print program version
+          -V, --version            Print program version
 
 DESCRIPTION
     Many programs generate tabular output. But sometimes you need to
@@ -313,10 +314,11 @@ Output Flags (mutually exclusive):
   -X, --extended           Enable extended output
   -M, --markdown           Enable markdown table output
   -O, --orgtbl             Enable org-mode table output
-  -S, --shell              Enable shell evaluable ouput
+  -S, --shell              Enable shell evaluable output
   -Y, --yaml               Enable yaml output
   -C, --csv                Enable CSV output
   -A, --ascii              Default output mode, ascii tabular
+  -L, --hightlight-lines   Use alternating background colors for tables
 
 Sort Mode Flags (mutually exclusive):
   -a, --sort-age           sort according to age (duration) string
@@ -326,12 +328,10 @@ Sort Mode Flags (mutually exclusive):
 
 Other Flags:
       --completion <shell> Generate the autocompletion script for <shell>
-  -l  --load-path <path>   Where to search for lisp plugins. Maybe a file or
-                           a directory containing files with *.zy extension
   -d, --debug              Enable debugging
   -h, --help               help for tablizer
   -m, --man                Display manual page
-  -v, --version            Print program version
+  -V, --version            Print program version
 
 
 `

lib/helpers.go

@@ -20,13 +20,14 @@ package lib
 import (
 	"errors"
 	"fmt"
-	"github.com/gookit/color"
-	"github.com/tlinden/tablizer/cfg"
 	"os"
 	"regexp"
 	"sort"
 	"strconv"
 	"strings"
+
+	"github.com/gookit/color"
+	"github.com/tlinden/tablizer/cfg"
 )
 
 func contains(s []int, e int) bool {
@@ -155,9 +156,25 @@ func trimRow(row []string) []string {
 func colorizeData(c cfg.Config, output string) string {
 	if len(c.Pattern) > 0 && !c.NoColor && color.IsConsole(os.Stdout) {
 		r := regexp.MustCompile("(" + c.Pattern + ")")
-		return r.ReplaceAllStringFunc(output, func(in string) string {
+		highlight := true
-			return c.ColorStyle.Sprint(in)
+		colorized := ""
-		})
+
+		for _, line := range strings.Split(output, "\n") {
+			if c.UseHighlight {
+				if highlight {
+					line = c.HighlightStyle.Sprint(line)
+				}
+				highlight = !highlight
+			} else {
+				line = r.ReplaceAllStringFunc(line, func(in string) string {
+					return c.ColorStyle.Sprint(in)
+				})
+			}
+
+			colorized += line + "\n"
+		}
+
+		return colorized
 	} else {
 		return output
 	}

tablizer.1

@@ -133,7 +133,7 @@
 .\" ========================================================================
 .\"
 .IX Title "TABLIZER 1"
-.TH TABLIZER 1 "2023-05-06" "1" "User Commands"
+.TH TABLIZER 1 "2023-11-21" "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
@@ -160,10 +160,11 @@ tablizer \- Manipulate tabular output of other programs
 \&      \-X, \-\-extended           Enable extended output
 \&      \-M, \-\-markdown           Enable markdown table output
 \&      \-O, \-\-orgtbl             Enable org\-mode table output
-\&      \-S, \-\-shell              Enable shell evaluable ouput
+\&      \-S, \-\-shell              Enable shell evaluable output
 \&      \-Y, \-\-yaml               Enable yaml output
 \&      \-C, \-\-csv                Enable CSV output
 \&      \-A, \-\-ascii              Default output mode, ascii tabular
+\&      \-L, \-\-hightlight\-lines   Use alternating background colors for tables
 \&
 \&    Sort Mode Flags (mutually exclusive):
 \&      \-a, \-\-sort\-age           sort according to age (duration) string
@@ -176,7 +177,7 @@ tablizer \- Manipulate tabular output of other programs
 \&      \-d, \-\-debug              Enable debugging
 \&      \-h, \-\-help               help for tablizer
 \&      \-m, \-\-man                Display manual page
-\&      \-v, \-\-version            Print program version
+\&      \-V, \-\-version            Print program version
 .Ve
 .SH "DESCRIPTION"
 .IX Header "DESCRIPTION"

tablizer.pod

@@ -21,10 +21,11 @@ tablizer - Manipulate tabular output of other programs
       -X, --extended           Enable extended output
       -M, --markdown           Enable markdown table output
       -O, --orgtbl             Enable org-mode table output
-      -S, --shell              Enable shell evaluable ouput
+      -S, --shell              Enable shell evaluable output
       -Y, --yaml               Enable yaml output
       -C, --csv                Enable CSV output
       -A, --ascii              Default output mode, ascii tabular
+      -L, --hightlight-lines   Use alternating background colors for tables
 
     Sort Mode Flags (mutually exclusive):
       -a, --sort-age           sort according to age (duration) string
@@ -37,7 +38,7 @@ tablizer - Manipulate tabular output of other programs
       -d, --debug              Enable debugging
       -h, --help               help for tablizer
       -m, --man                Display manual page
-      -v, --version            Print program version
+      -V, --version            Print program version
 
 
 =head1 DESCRIPTION