make delay customizable.

go/qst.go

	},
}
var delay = flag.Duration("delay", 1*time.Second, "time to wait until restart")
func main() {
	log.SetFlags(log.Ldate | log.Ltime | log.Lshortfile)
		os.Exit(1)
	}
	file := os.Args[1]
	file := args[0]
	if !isFile(file) {
		fmt.Fprintf(os.Stderr, "Error: %s is not a file.\n", file)
		os.Exit(1)
			r.cmd = exec.Command("sh", "-c", r.shellCmd)
			r.cmd.SysProcAttr = &syscall.SysProcAttr{Setpgid: true}
			err := r.cmd.Run()
			log.Printf("%s finished: %s", r.shellCmd, err)
			log.Printf("%s finished: %s, restarting in %s", r.shellCmd, err, delay)
			time.Sleep(1 * time.Second)
			time.Sleep(*delay)
			if !r.restart {
				break
			}