Extensional OS environment variables helper for Go.

Usage

$ go get -u clevergo.tech/osenv

Get

Gets the environment variable associated with the given key, a fallback(default) value will be returned if not exist.

Assume environment is that FOO=BAR EMPTY=.

Method	Value
osenv.Get("FOO")	BAR
osenv.Get("EMPTY")	-
osenv.Get("EMPTY", "BUZZ")	-
osenv.Get("FIZZ")	-
osenv.Get("FIZZ", "BUZZ")	BUZZ

Similar functions:

• GetInt

MustGet

Gets the environment variable associated with the given key, and panics if not exist.

osenv.MustGet("FOO") // BAR
osenv.MustGet("NIL") // panics

Similar functions:

• MustGetInt

SetNX

Sets an environment variable if not exist.

osenv.SetNX("NONEXISTENT", "VALUE")