I have a simple quotebot running in a channel and I wish to ban some people from using the command, the command in question is:

Quote:
on *:TEXT:!addquote *:#:{ write quotesreview.txt $nick : $2- } { msg $chan Quote added for review }


I want to have a text file that I can add banned users to a list in a text instead of doing an if statement and I was wondering how I would go about doing that. Any help is very appreciated.