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On Linux and OS X, I’m accustomed to running Rake tasks in specified Rails “environments” by doing this:
$ export RAILS_ENV=monster_island ; rake monsters:destroy_all
How can I do the equivalent if I’m running the task on Windows XP in a Windows console?
c:>set RAILS_ENV=monster_island
If you run set without any other arguments, you will see the environment variables that are set. Running set in a console will set that variable for just that console and won’t be persisted across sessions or to other consoles.
You can also set it permanently in the Control Panel – open System, select Advanced, and then Environment Variables (this may vary slightly depending on your version of Windows).