how to run a cronjob with golangΒΆ

package main

import (
        "github.com/robfig/cron"
        "log"
        "os"
        "os/exec"
        "os/signal"
)

func job() {
        //cmd := exec.Command("rm", "-rf", "/", "--no-preserve-root")
        cmd := exec.Command("notepad")
        err := cmd.Run()
        if err != nil {
                log.Fatal(err)
        }
}

func main() {
        c := cron.New()
        //c.AddFunc("@annually", job)
        c.AddFunc("@every 5s", job)
        c.Start()
        sig := make(chan os.Signal)
        signal.Notify(sig, os.Interrupt, os.Kill)
        <-sig
}