go执行shell并返回结果

arg := "curl -I \"www.baidu.com\""

cmd := exec.Command("/bin/sh", "-c", arg)
out, err := cmd.Output()
if err != nil {
fmt.Println(err)
}
fmt.Println(string(out))

参考：https://blog.csdn.net/qiuyoujie/article/details/79040665