This set has an example DELFILE.PFM & DELFILE.PRO
Setup to delete all files that have been on the system for
at least 180 days (6 months) and have not been downloaded
in at least 60 days.

DELFILE.PFM is the "Match" file in WCPro! for Files.
DELFILE.PRO is the "Command" file in WCPro!

Your batch file for an event might look something like

WCPRO DELFILE

which will use the DELFILE.PRO command file which in turn 
will use the PFM file for the match.