Shift dragging files into Maya 2012 can be a risky business; it turns out that it will delete your file.
So if you are after new ways of off-loading some of those pesky files that clutter your hard-drive simply shift drag them into Maya and all your dreams will come true. This works for even for Maya native files, they are imported then deleted from the source location. A simple restore from the recycling bin will cease your soon to be heart attack.
Happy Undeleting!
