add exec command

index.go

@@ -61,13 +61,12 @@ func main() {
 	}
 }
 
-func Native() string {
-	cmd, err := exec.Command("/bin/sh", "pm2 restart 0").Output()
+func Native() {
+	out, err := exec.Command("pm2 restart 0").Output()
 	if err != nil {
-		fmt.Printf("error %s", err)
+		log.Fatal(err)
 	}
-	output := string(cmd)
-	return output
+	fmt.Printf("The date is %s\n", out)
 }
 
 func readFile(fname string) {
@@ -86,7 +85,7 @@ func readFile(fname string) {
 		if err == nil && strings.Contains(string(buf), KEYWORD) {
 			fmt.Printf("%s\n", buf)
 			fmt.Println("error found at " + time.Now().String())
-			fmt.Println(Native())
+			Native()
 		}
 	}