Archiving mail

Hi

Is there a way to get procmail save mail to a folder with a date in
the name? I want procmail to save some mail to a folder that changes
it's name every month. Or do I need another app to do this?

     _/_/_/ _/_/_/_/  _/_/                     Andreas Sikkema
   _/    _/   _/   _/                  
sikke600(_at_)hio(_dot_)tem(_dot_)nhl(_dot_)nl
  _/_/_/_/   _/     _/_/   Maintainer of the NS-Discussies FAQ
 _/    _/   _/         _/                                     
_/    _/   _/    _/_/_/   www.engineering.tem.nhl.nl/~sikke600