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Date: Wed, 14 May 1997 00:26:36 -0800 (AKDT)
From: Steve Howe <un_x@anchorage.net>
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To: freebsd-questions <questions@freebsd.org>
Subject: parameter expansion
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t=file.gz.tar.gz
echo ${t%.gz}
echo ${t%%.gz}

i've been trying to figure out the difference between
using 1 or 2 "%" in my expansions, but haven't had any luck!
whether 1 or 2, i can't see any difference.
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