pgp help for a Squeamish Ossifrage

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Author: foodog
Date:  
Subject: pgp help for a Squeamish Ossifrage
Anyone know the magic command offhand for extracting filename.tgz.pgp?
Assuming the passphrase is "squeamish ossifrage". TIA,
Steve
Yes, I should RTFM, but I gotta fix dinner :-|