Procmail during the transition, anyone?

At various stages in the transition, we will be getting multiple copies of
the same messages as the are re- cross- whatever-posted to lists,
newsgroups and anything else handy.

Anyone have a procmail script that will show me just ONE copy of messages,
even if the headers are not identical (e.g. one looped, another was
forwarded, etc.)?

I have yet to find a good guide to procmail coding. My file is long, and
inefficient, and a pain to maintain...and I'm too busy to learn it right.

==
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A. Michael Froomkin        | +1 (305) 284-4285; +1 (305) 284-6506 (fax)
Associate Professor of Law |
U. Miami School of Law     | froomkin@law.miami.edu
P.O. Box 248087            | http://www.law.miami.edu/~froomkin
Coral Gables, FL 33124 USA | It's warm here.