Source: cli/master/replace_environment.pro
replace_environment Replace the current top-level environment with one read from a save file. Usage: replace_environment, file Argument: file string input The name of the file to restore. Notes: Restoring a new environment will detroy the current one. If the file isn't an environment save file, then you will be dumped out of IDL. History: Original: 19/6/01; SJT