I once wrote a variation of Larry Wall's file renamer (http://snipplr.com/view/2677/rename--larry-walls-filename-fixer/ http://snipplr.com/view/2677/rename--lar

I once wrote a variation of Larry Wall's file renamer (http://snipplr.com/view/2677/rename--larry-walls-filename-fixer/ http://snipplr.com/view/2677/rename--larry-walls-filename-fi...) and called it 'rn'. It's now called 'rename.pl'.