Adds or changes anenvironment string in the process environment.
SETENV, 'SHELL=/bin/sh'
HOMEPATH
environment variable to point to the directory D:\users\chris\utah_data
:
r = GETENV('HOMEPATH') PRINT, r
D:\users\chris
SETENV, 'HOMEPATH=D:\users\chris\utah_data' r = GETENV('HOMEPATH') PRINT, r
D:\users\chris\utah_data