first commit

SortTextLines.go

@@ -0,0 +1,62 @@
+package main
+
+import (
+	"bufio"
+	"flag"
+	"fmt"
+	"log"
+	"os"
+	"sort"
+	"strings"
+)
+
+var src string = ""
+var dst string = ""
+var trm bool = false
+
+func init() {
+	flag.StringVar(&src, "i", "", "Input File")
+	flag.StringVar(&dst, "o", "", "Output File")
+	flag.BoolVar(&trm, "t", false, "Trim all leading and trailing spaces")
+	flag.Parse()
+}
+
+func main() {
+	if src == "" || dst == "" {
+		fmt.Printf("[ERR] Invalid Input/Output, Check Arguments !\r\n")
+		os.Exit(1)
+	}
+	fsi, err := os.Open(src)
+	if err != nil {
+		fmt.Printf("[ERR] %v\r\n", err)
+		os.Exit(1)
+	}
+	defer fsi.Close()
+
+	var lines []string
+	scn := bufio.NewScanner(fsi)
+	for scn.Scan() {
+		if trm {
+			lines = append(lines, strings.TrimSpace(scn.Text()))
+		} else {
+			lines = append(lines, scn.Text())
+		}
+	}
+	sort.Strings(lines)
+
+	fso, err := os.OpenFile(dst, os.O_WRONLY|os.O_CREATE|os.O_TRUNC, 0666)
+	if err != nil {
+		fmt.Printf("[ERR] %v\r\n", err)
+	}
+	defer fso.Close()
+
+	for _, line := range lines {
+		_, err = fso.WriteString(line + "\r\n")
+		if err != nil {
+			log.Printf("[ERR] %v\r\n", err)
+			continue
+		}
+	}
+	fso.Sync()
+	fso.Close()
+}

go.mod

@@ -0,0 +1,3 @@
+module SortTextLines
+
+go 1.19