package mainimport "fmt"import "io/ioutil"import "os/exec"func main() {
dateCmd := exec.Command("date")
dateOut, err := dateCmd.Output() if err != nil { panic(err)
}
fmt.Println("> date")
fmt.Println(string(dateOut))
grepCmd := exec.Command("grep", "hello")
grepIn, _ := grepCmd.StdinPipe()
grepOut, _ := grepCmd.StdoutPipe()
grepCmd.Start()
grepIn.Write([]byte("hello grep\ngoodbye grep"))
grepIn.Close()
grepBytes, _ := ioutil.ReadAll(grepOut)
grepCmd.Wait()
fmt.Println("> grep hello")
fmt.Println(string(grepBytes))
lsCmd := exec.Command("bash", "-c", "ls -a -l -h")
lsOut, err := lsCmd.Output() if err != nil { panic(err)
}
fmt.Println("> ls -a -l -h")
fmt.Println(string(lsOut))
}执行结果：
> date 2015年 1月23日 星期五 21时29分39秒 CST > grep hello hello grep > ls -a -l -h total 32 drwxr-xr-x 6 itfanr admin 204B 1 23 21:29 . drwxrwxrwx 6 itfanr admin 204B 12 27 09:52 .. -rw-rw-r--@ 1 itfanr admin 721B 1 23 21:29 excute.go drwxr-xr-x 13 itfanr admin 442B 1 22 21:06 github.com
参考：
https://gobyexample.com/spawning-processes
http://tobegit3hub1.gitbooks.io/understanding-linux-processes/content/go_example/spawn.html
3. https://github.com/mmcgrana/gobyexample
