read file data

input_file.txt

+Hello World !!! From the file
\ No newline at end of file

main.go

 package main
 
-import "fmt"
+import (
+	"bufio"
+	"fmt"
+	"os"
+)
 
 func main() {
-	fmt.Println("Hello World !!!")
+	fileName := os.Args[1]
+
+	f, err := os.Open(fileName)
+	if err != nil {
+		fmt.Println("Error : ", err)
+		os.Exit(1)
+	}
+
+	defer f.Close()
+
+	scanner := bufio.NewScanner(f)
+
+	for scanner.Scan() {
+
+		fmt.Println(scanner.Text())
+	}
 }