9.4 The OPERATING-SYSTEM module
environment-variable
Function
Summary
Returns the value of a specified environment variable.
Signature
environment-variable name => value
Arguments
- name
- An instance of
<byte-string>.
Values
- value
- An instance of
<byte-string>, or#f.
Library
system
Module
operating-system
Description
Returns the value of the environment variable specified by name, or #f if there is no such environment variable.