golang cmd 调用 外面程序

---

cmd

cmd_str := fmt.Sprintf("%s -i %s %s -o %s%s", Ffmpeg, m3u8Url, Cmd, OutFilePath, Suffix)
var cmd *exec.Cmd
for {
	args := strings.Split(cmd_str, " ")
	cmd = exec.Command(args[0], args[1:]...)
	if err := cmd.Start(); err != nil {
		log.Errorf("<%d>  cmd Start, error:%v", connect_num, err)
		return
	}
	if err := cmd.Wait(); err != nil {
		log.Errorf("<%d>  cmd Wait, error:%v", connect_num, err)
		return
	} 
}