Need help

Given: large file with list of files and folder which contain a great number of files.
Need: remove from list files which exist in a folder.
Tools: Bourne Shell or Windows command line or Python.

>>29
It is you who obviously needs to go back. Not necessarily to /b/, but certainly out of here.

By the way, the first step to solving any problem is formulating a problem description in a way other people can understand. >>1 shows a good example how not to perform this step. Or maybe you just plain suck at grammar, I'm not sure.