reet: not so much paranoid as cautious and looking out for the "every day unexperienced user"
Hammer: I do agree, but whos to stop variables from being "written over". I mean with a limitation i don't see it being harmful. You can reassign the shell or make a command startup from a mirc key
EDIT:Phenix, i already stated that with the snipplet. There is a snipplet about that uses the com objects to connect to the registry and allow manipulations.