genv

Documentation

Overview

Package genv provides operations for environment variables of system.

Index

• func All() []string
• func Build(m map[string]string) []string
• func Contains(key string) bool
• func Get(key string, def ...string) string
• func Map() map[string]string
• func Remove(key string) error
• func Set(key, value string) error

Functions

func All

func All() []string

All returns a copy of strings representing the environment, in the form "key=value".

func Build

func Build(m map[string]string) []string

Build builds a map to a environment variable slice.

func Contains

func Contains(key string) bool

Contains checks whether the environment variable named <key> exists.

func Get

func Get(key string, def ...string) string

Get returns the value of the environment variable named by the <key>. It returns given <def> if the variable does not exist in the environment.

func Map

func Map() map[string]string

Map returns a copy of strings representing the environment as a map.

func Remove

func Remove(key string) error

Remove deletes a single environment variable.

func Set

func Set(key, value string) error

Set sets the value of the environment variable named by the <key>. It returns an error, if any.