env

Documentation

Overview

Package env provides a means to read environment variables into values backed by a flag.FlagSet.

Environment variables are of the format:

<FSNAME>_<KEYNAME>

Where FSNAME is the name of the given flag.FlagSet. KEYNAME is the name of the flag. All spaces and periods are replaced with underscores in both strings.

Index

• func Parse(flagSet *flag.FlagSet) error

Functions

func Parse

func Parse(flagSet *flag.FlagSet) error

Parse reads environment variables and parses into matching flags in the given flagset. If flagSet is nil, the global flag.CommandLine FlagSet is used.