cmdstream

README

cmdstream

stream golang exec.Cmd outputs while it is running.

I sometimes need this, and I always copy-paste from other projects, so I figured why not leave it here as a lib.

Check godocs for usage examples.

Documentation

Overview

Package cmdstream provides utilities to stream long-running commands outputs to any io.Writer while they are still running, useful on CLIs that run other commands.

Index

• func Stream(cmd *exec.Cmd, w io.Writer) error

Examples

• Stream

Functions

func Stream

func Stream(cmd *exec.Cmd, w io.Writer) error

Stream streams starts the given cmd and streams its output to the given io.Writer, waiting for the cmd to finish.

Example

var err = Stream(exec.Command("echo", "hello"), os.Stdout)
fmt.Println(" - err:", err)

Output:

hello - err: <nil>