cmdenv

Documentation

Overview

Package cmdenv provides access to certain variable for both command options and environment.

Index

• func Get(key string, def ...interface{}) *gvar.Var

Functions

func Get

func Get(key string, def ...interface{}) *gvar.Var

Get returns the command line argument of the specified <key>. If the argument does not exist, then it returns the environment variable with specified <key>. It returns the default value <def> if none of them exists.

Fetching Rules: 1. Command line arguments are in lowercase format, eg: gf.<package name>.<variable name>; 2. Environment arguments are in uppercase format, eg: GF_<package name>_<variable name>；