cmd exec

gistfile1.txt

package main

import (
	"bytes"
	"flag"
	"fmt"
	//"log"
  "os"
	"os/exec"
	"strings"
)

//usage:  go run ./main.go -cmd="#{cmd}"



func main() {
	cmd := flag.String("cmd", "foo", "a string")
	flag.Parse()
  commands := strings.Split(*cmd, ";")
  for _, num := range commands {
    ExecCmd(num)
  }

  os.Exit(0)
}

func ExecCmd(cmd string) string {
	//args := strings.Split(cmd, " ")

	c := exec.Command("sh", "-c", cmd)
  //c := exec.Command(args[0], args[1:]...)
	c.Stdin = strings.NewReader("some input")

	var out bytes.Buffer

	c.Stdout = &out

	err := c.Run()

	if err != nil {
		//log.Fatal(err)
    //fmt.Printf(fmt.Sprint(err), ":", out.String())
    fmt.Println(cmd)
    fmt.Println("out:", out.String())
    fmt.Printf("err:", fmt.Sprint(err) )
    os.Exit(1)
	}

	//fmt.Printf(strings.Join(args, " "), "cmd response: %q\n", out.String())
  //fmt.Printf("cmd: ",  strings.Join(args, " ") )
  fmt.Printf(out.String())

	return out.String()
}