I have some users in my channel that makes a nuisance of them selves by continuously changing nicks.
Does any one know or can help with script to track this and warn the user after say the 5th nick change during the period he/she is on line. Maybe reset/delete when he/she then quits.

I do not have a clue if this is possible let alone how to go about it if it is. Any help, suggestions or pointers will be appreciated.