It is meant to work as a preliminary processor, therefore output of the program is kept as simple as possible. Example usage:
$ arfparse -m ~/mail/aol.net
This will extract ARF information sent from email@example.com assuming the FBL reports are archived in ~/mail/aol.net
You can grab arfparse via subversion:
Feel free to send me flames, suggestions and improvements.
PS: Yes, I would post about arfparse in the comments section here, but comments seem to be locked for now.