I get annoyed for the opposite reason -- I wish it was easier to say to the OS "Take this directory away when this program finishes". You can get so far with at

I get annoyed for the opposite reason -- I wish it was easier to say to the OS "Take this directory away when this program finishes". You can get so far with atexit, or unlinking early (but that's no good if you want to pass the files on to other programs).