package main import ( "fmt" "io/ioutil" "os" ) func main() { if len(os.Args) < 2 { fmt.Println("File name missing") } else if len(os.Args) > 2 { fmt.Println("Too many arguments") } else { b, err := ioutil.ReadFile(os.Args[1]) if err != nil { panic(err) } os.Stdout.Write(b) } }