aka "dude where's my OOPS command?"

I accidentally hit the DEL key with a folder selected in ArcCatalog, and it's apparently gone forever. There was no warning message shown, and it doesn't go into the Recycle Bin.

Is there a way to recover it, short of restoring a backup?

Edit - it was my fault no warning message was shown, as I had switched off that option in the Recycle Bin settings.