update

SortTextLines.go

@@ -17,13 +17,13 @@ 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.BoolVar(&trm, "t", false, "Trim all leading and trailing spaces of each line")
 	flag.Parse()
 }
 
 func main() {
 	if src == "" || dst == "" {
-		fmt.Printf("[ERR] Invalid Input/Output, Check Arguments !\r\n")
+		flag.Usage()
 		os.Exit(1)
 	}
 	fsi, err := os.Open(src)
@@ -38,9 +38,9 @@ func main() {
 	for scn.Scan() {
 		if trm {
 			lines = append(lines, strings.TrimSpace(scn.Text()))
-		} else {
-			lines = append(lines, scn.Text())
+			continue
 		}
+		lines = append(lines, scn.Text())
 	}
 	sort.Strings(lines)