Initializing help system before first use

getenv

Purpose
Get the value of an environment variable of the operating system.
Synopsis
function getenv(name:string|text):string
Argument
name 
Name of the environment variable
Return value
Value of the environment variable (an empty string if the variable is not defined).
Example
The value of the environment variable PATH is retrieved as follows: 
str:= getenv("PATH")
Further information
This procedure is included in the published interface of mmsystem (see Section Published library functions).
Related topics
setenv
Module
mmsystem

Parent Topic Procedures and functions

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