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Date: Tue, 24 Sep 1996 16:39:18 -0700 (PDT)
From: "Eric J. Schwertfeger" <ejs@bfd.com>
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To: hmmm <hmmm@alaska.net>
cc: freebsd-questions <questions@FreeBSD.org>
Subject: Re: multiple files
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On Tue, 24 Sep 1996, hmmm wrote:

> how can i rename multiple files w/o doing it 1-by-1?
> 
> ie,
> 
> abc.tar.gz > abc.tgz
> def.tar.gz > def.tgz
> hij.tar.gz > hij.tgz

Sounds like a job for perl.  But that's too easy so here's a demented way
do do it in shell script (sh) (assuming there are no other periods in the
file names).

for i in *.tar.gz; do
	mv $i $(echo $i | cut -f 1 -d . ).tgz
done