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To: Larry Rosenman <ler@lerctr.org>
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Date: Wed, 03 Sep 2003 19:38:20 -0700
From: Mike Hogsett <hogsett@csl.sri.com>
cc: freebsd-questions@freebsd.org
Subject: Re: How do I change the extensions on a slew of files 
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> from an sh type shell
> for i in *.inc
> do
> z=`echo $i | sed -e "s/inc/htm/g"`
> mv ${i} ${z}
> done

This won't give expected results for a file named "fooinc.inc".  It will
become "foohtm.htm".  I realize that based on the file names given in the
original email this doesn't appear to be an issue, but changing the sed
command to

	  sed -e 's/\.inc$/\.html/'

may give better (more generally useful) results.  Also note the ' instead
of " so that the shell doesn't perform variable expansion within the sed
command text. The shell will ignore the $ and instead sed uses it to match
end of line or string in this case.

 - Mike