reorganized directory and package structure

Makefile

@@ -18,16 +18,16 @@
 #
 # no need to modify anything below
 tool    = tablizer
-version = $(shell egrep "^var version = " cmd/root.go | cut -d'=' -f2 | cut -d'"' -f 2)
+version = $(shell egrep "^var Version = " lib/common.go | cut -d'=' -f2 | cut -d'"' -f 2)
 archs   = android darwin freebsd linux netbsd openbsd windows
 PREFIX = /usr/local
 UID    = root
 GID    = 0
 
-all: buildlocal man
+all: buildlocal $(tool).1
 
-man:
-	pod2man -c "User Commands" -r 1 -s 1 $(tool).pod > $(tool).1
+%.1: %.pod
+	pod2man -c "User Commands" -r 1 -s 1 $*.pod > $*.1
 
 buildlocal:
 	go build
@@ -43,4 +43,4 @@ install: buildlocal
 	install -o $(UID) -g $(GID) -m 444 $(tool).1 $(PREFIX)/man/man1/
 
 clean:
-	rm -f $(tool) $(tool).1
+	rm -rf $(tool) $(tool).1 releases

cmd/root.go

@@ -17,35 +17,26 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
 package cmd
 
 import (
+	"daemon.de/tablizer/lib"
 	"fmt"
 	"github.com/spf13/cobra"
 	"os"
 )
 
-var version = "v1.0.1"
-
 var rootCmd = &cobra.Command{
 	Use:   "tablizer [regex] [file, ...]",
 	Short: "[Re-]tabularize tabular data",
 	Long:  `Manipulate tabular output of other programs`,
 	RunE: func(cmd *cobra.Command, args []string) error {
-		if Version {
-			fmt.Printf("This is tablizer version %s\n", version)
+		if lib.ShowVersion {
+			fmt.Printf("This is tablizer version %s\n", lib.Version)
 			return nil
 		}
 
-		return process(args)
+		return lib.ProcessFiles(args)
 	},
 }
 
-var Debug bool
-var XtendedOut bool
-var NoNumbering bool
-var Version bool
-var Columns string
-var UseColumns []int
-var Separator string
-
 func Execute() {
 	err := rootCmd.Execute()
 	if err != nil {
@@ -54,10 +45,10 @@ func Execute() {
 }
 
 func init() {
-	rootCmd.PersistentFlags().BoolVarP(&Debug, "debug", "d", false, "Enable debugging")
-	rootCmd.PersistentFlags().BoolVarP(&XtendedOut, "extended", "x", false, "Enable extended output")
-	rootCmd.PersistentFlags().BoolVarP(&NoNumbering, "no-numbering", "n", false, "Disable header numbering")
-	rootCmd.PersistentFlags().BoolVarP(&Version, "version", "v", false, "Print program version")
-	rootCmd.PersistentFlags().StringVarP(&Separator, "separator", "s", "", "Custom field separator")
-	rootCmd.PersistentFlags().StringVarP(&Columns, "columns", "c", "", "Only show the speficied columns (separated by ,)")
+	rootCmd.PersistentFlags().BoolVarP(&lib.Debug, "debug", "d", false, "Enable debugging")
+	rootCmd.PersistentFlags().BoolVarP(&lib.XtendedOut, "extended", "x", false, "Enable extended output")
+	rootCmd.PersistentFlags().BoolVarP(&lib.NoNumbering, "no-numbering", "n", false, "Disable header numbering")
+	rootCmd.PersistentFlags().BoolVarP(&lib.ShowVersion, "version", "v", false, "Print program version")
+	rootCmd.PersistentFlags().StringVarP(&lib.Separator, "separator", "s", "", "Custom field separator")
+	rootCmd.PersistentFlags().StringVarP(&lib.Columns, "columns", "c", "", "Only show the speficied columns (separated by ,)")
 }

go.mod

@@ -2,11 +2,13 @@ module daemon.de/tablizer
 
 go 1.18
 
-require github.com/alecthomas/repr v0.0.0-20180818092828-117648cd9897
+require (
+	github.com/alecthomas/repr v0.0.0-20180818092828-117648cd9897
+	github.com/spf13/cobra v1.5.0
+)
 
 require (
 	github.com/inconshreveable/mousetrap v1.0.0 // indirect
-	github.com/spf13/cobra v1.5.0 // indirect
 	github.com/spf13/pflag v1.0.5 // indirect
 	github.com/stretchr/testify v1.8.0 // indirect
 )

lib/common.go

@@ -0,0 +1,28 @@
+/*
+Copyright © 2022 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
+
+var Debug bool
+var XtendedOut bool
+var NoNumbering bool
+var ShowVersion bool
+var Columns string
+var UseColumns []int
+var Separator string
+
+var Version = "v1.0.2"

lib/helpers.go

@@ -0,0 +1,51 @@
+/*
+Copyright © 2022 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"
+	"strconv"
+	"strings"
+)
+
+func die(v ...interface{}) {
+	fmt.Fprintln(os.Stderr, v...)
+	os.Exit(1)
+}
+
+func contains(s []int, e int) bool {
+	for _, a := range s {
+		if a == e {
+			return true
+		}
+	}
+	return false
+}
+
+func prepareColumns() {
+	if len(Columns) > 0 {
+		for _, use := range strings.Split(Columns, ",") {
+			usenum, err := strconv.Atoi(use)
+			if err != nil {
+				die(err)
+			}
+			UseColumns = append(UseColumns, usenum)
+		}
+	}
+}

lib/io.go

@@ -15,29 +15,19 @@ 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 cmd
+package lib
 
 import (
 	"errors"
 	"github.com/alecthomas/repr"
 	"os"
-	"strconv"
-	"strings"
 )
 
-func process(args []string) error {
+func ProcessFiles(args []string) error {
 	var pattern string
 	havefiles := false
 
-	if len(Columns) > 0 {
-		for _, use := range strings.Split(Columns, ",") {
-			usenum, err := strconv.Atoi(use)
-			if err != nil {
-				die(err)
-			}
-			UseColumns = append(UseColumns, usenum)
-		}
-	}
+	prepareColumns()
 
 	if len(args) > 0 {
 		if _, err := os.Stat(args[0]); err != nil {
@@ -56,7 +46,7 @@ func process(args []string) error {
 				if Debug {
 					repr.Print(data)
 				}
-				printTable(data)
+				printData(data)
 			}
 			havefiles = true
 		}
@@ -69,7 +59,7 @@ func process(args []string) error {
 			if Debug {
 				repr.Print(data)
 			}
-			printTable(data)
+			printData(data)
 		} else {
 			return errors.New("No file specified and nothing to read on stdin!")
 		}

lib/parser.go

@@ -15,13 +15,12 @@ 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 cmd
+package lib
 
 import (
 	"bufio"
 	"fmt"
 	"io"
-	"os"
 	"regexp"
 	"strings"
 )
@@ -36,11 +35,6 @@ type Tabdata struct {
 	entries        [][]string
 }
 
-func die(v ...interface{}) {
-	fmt.Fprintln(os.Stderr, v...)
-	os.Exit(1)
-}
-
 /*
    Parse tabular input. We split the  header (first line) by 2 or more
    spaces, remember the positions of  the header fields. We then split

lib/printer.go

@@ -15,19 +15,22 @@ 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 cmd
+package lib
 
 import (
 	"fmt"
 	"strings"
 )
 
-func printTable(data Tabdata) {
+func printData(data Tabdata) {
 	if XtendedOut {
-		printExtended(data)
-		return
+		printExtendedData(data)
+	} else {
+		printTabularData(data)
 	}
+}
 
+func printTabularData(data Tabdata) {
 	// needed for data output
 	var formats []string
 
@@ -93,7 +96,7 @@ func printTable(data Tabdata) {
 /*
    We simulate the \x command of psql (the PostgreSQL client)
 */
-func printExtended(data Tabdata) {
+func printExtendedData(data Tabdata) {
 	// needed for data output
 	format := fmt.Sprintf("%%%ds: %%s\n", data.maxwidthHeader) // FIXME: re-calculate if -c has been set
 
@@ -115,12 +118,3 @@ func printExtended(data Tabdata) {
 		}
 	}
 }
-
-func contains(s []int, e int) bool {
-	for _, a := range s {
-		if a == e {
-			return true
-		}
-	}
-	return false
-}