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From: Eli Zaretskii <eliz@gnu.org>
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Subject: Re: How to diff or ediff only "*.c" files in all sub-directories?
Date: Tue, 28 Mar 2006 13:46:42 +0200
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> From: "Jimmy Lao" <jmlao@hotmail.com>
> Date: Mon, 27 Mar 2006 16:33:55 +0000
> 
> How to diff only "*.c" files in all sub-directories?

If you can exclude all or most of the other files with the "-x PATTERN"
option to Diff, that's the only way I know of.