go motw windows

package main

import (
        "fmt"
        "io/ioutil"
        "os"
)

func Win_motw(name string) error {
        return ioutil.WriteFile(name+":Zone.Identifier", []byte("[ZoneTransfer]\r\nZoneId=3"), 0644)
}

func main() {
        if len(os.Args) < 2 {
                fmt.Print("requires filename argument")
                os.Exit(1)
        }
        err := Win_motw(os.Args[1])
        if err != nil {
                fmt.Errorf("%s", err.Error())
        }
}