flagenv

README

flagenv

Documentation: http://godoc.org/github.com/facebookgo/flagenv

Documentation

Overview

Package flagenv provides the ability to populate flags from environment variables.

Index

• Variables
• func Parse()
• func ParseSet(prefix string, set *flag.FlagSet) error

Variables

var Prefix = ""

Specify a prefix for environment variables.

Functions

func Parse

func Parse()

Parse will set each defined flag from its corresponding environment variable . If dots or dash are presents in the flag name, they will be converted to underscores.

If Parse fails, a fatal error is issued.

func ParseSet

func ParseSet(prefix string, set *flag.FlagSet) error

ParseSet parses the given flagset. The specified prefix will be applied to the environment variable names.