After far too many hours work over the last four days, a contender has emerged for my favourite use of Perl, with a close contender for second place.

Helping me sort out bunches of

1. Windows -> unix challenged muppets :

   perl -pi -e 's/\r//g;' *html
   [download]

2. Muppets from the school of hyper-tabfrenzied-indentation :

   perl -pi -e 's/\t/  /g;' *html
   [download]