THIS IS A TEST INSTANCE. ALL YOUR CHANGES WILL BE LOST!!!!
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This can be adapted as necessary, and executed as a cron job. Note, this requires you to store/rename your user_prefs file to user_prefs.base! Make sure you do this before running the script or you'll lose your preferences. Of course if there is some way I'm not aware of to include files from within a user_prefs file, please someone make the necessary changes.