exitwithstatus

README

exitwithstatus - Non-zero exit status

A way to provide a non-zero exit code from a program as Go does not support this directly.

Documentation

Overview

replacement for os.Exit(N) that runs defers

Original article: http://soniacodes.wordpress.com/2011/04/28/deferred-functions-and-an-exit-code/

This is modified version to pass an integer status to os.Exit

usage: as the first line of main add:

defer exitwithstatus.HandleFatal()

to exit with a particular integer value:

exitwithstatus.Exit(42)

Index

• Constants
• func Exit(status int)
• func Handler()
• func Message(message string, args ...interface{})

Constants

const (
	Major   = "0"
	Minor   = "1"
	Patch   = "2"
	Version = Major + "." + Minor + "." + Patch
)

ensure that git has a tag: "vX.Y.Z" corresponding to major, minor and patch

Functions

func Exit

func Exit(status int)

Exit with the integer status value

e.g to exit calling all defers with the value three: exitwithstatus.Exit(3)

func Handler

func Handler()

This must be the first defer in the program

i.e. the first line of main must be: defer exitwithstatus.Handle()

func Message

func Message(message string, args ...interface{})

print a message to stderr and exit wit error status