exec

Documentation

Overview

Some execution facilities, because Gate relies a lot on process spawning

Index

• func Command(prepare func(cmd *Cmd) error, run func(cmd *Cmd) error, command string, ...) (err error)
• type Cmd
  • func (self *Cmd) StderrPipe() (io.ReadCloser, error)
  • func (self *Cmd) StdinPipe() (io.WriteCloser, error)
  • func (self *Cmd) StdoutPipe() (io.ReadCloser, error)

Functions

func Command

func Command(prepare func(cmd *Cmd) error, run func(cmd *Cmd) error, command string, arguments ...string) (err error)

Spawn a given command.

• prepare() is called after the command creation but before actually starting it
• run() is called while the command is running and before waiting for its completion

Types

type Cmd

type Cmd exec.Cmd

func (*Cmd) StderrPipe

func (self *Cmd) StderrPipe() (io.ReadCloser, error)

A pipe to the command's stderr

func (*Cmd) StdinPipe

func (self *Cmd) StdinPipe() (io.WriteCloser, error)

A pipe to the command's stdin

func (*Cmd) StdoutPipe

func (self *Cmd) StdoutPipe() (io.ReadCloser, error)

A pipe to the command's stdout