Golang Implement network card judgment, delete folder, restart operating system

<pre>
Package Main

Import (
"FMT"
"NET"
"OS"
"Os/exec"
"Strings"
)

Const SOURCE_MAC = "56:00:45:18:49:00"
Const SOURCE_FILE = "/work/temp"

Func Main () {
var find = False
interfaces, err: = Net. Interfaces ()

if err != nil {    panic("Error : " + err.Error())}for _, inter := range interfaces {    mac := inter.HardwareAddr         if strings.EqualFold(mac.String(),SOURCE_MAC){        find = true        fmt.Println(mac.String())                os.RemoveAll(SOURCE_FILE)                c := exec.Command("shutdown.exe","-s","-t","00")        c.Stdout = os.Stdout        c.Run()                break    }        if find {        break    }}

}
</pre>