Last Updated: February 25, 2016

Run a subprocess and connect to it with golang

The following code will allow you to run a subprocess with golang, and then connect it's stdout, stdin, sterr, etc. Great for triggering ssh calls!

Also, handy note, see the args ...string? That's like Python's splat. It'll expect a variable number of arguments to the function, and then using args... will pass all of those arguments on.

package main

import (
 "fmt"
 "os/exec"
 "os"
)

func exec_command(program string, args ...string) {
 cmd := exec.Command(program, args...)
 cmd.Stdin = os.Stdin;
 cmd.Stdout = os.Stdout;
 cmd.Stderr = os.Stderr;
 err := cmd.Run() 
 if err != nil {
 fmt.Printf("%v\n", err)
 }
}

func main() {
 exec_command("vagrant", "ssh")
}

#connect

#golang

#subprocess