How to diff or ediff only "*.c" files in all sub-directories?

How to diff or ediff only "*.c" files in all sub-directories?

[Jimmy Lao]

How to diff only "*.c" files in all sub-directories?

I have tried ediff which has a filter setting, but I don't know the way to 
display all files in all sub-directories in just one buffer.

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Re: How to diff or ediff only "*.c" files in all sub-directories?

[Eli Zaretskii]

> 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.

Re: How to diff or ediff only "*.c" files in all sub-directories?

[Alan Mackenzie]

Jimmy Lao <jmlao@hotmail.com> wrote on Mon, 27 Mar 2006 16:33:55 +0000:
> How to diff only "*.c" files in all sub-directories?

It is not clear exactly what you want.  Supposing you have these files:

~/mydev/comms/foo.c
~/mydev/comms/bar.c
~/mydev/comms/lib/tcp.c
~/mydev/appl/braeburn.c

, with which other file should each of these be compared?

> I have tried ediff which has a filter setting, but I don't know the way
> to display all files in all sub-directories in just one buffer.

-- 
Alan Mackenzie (Munich, Germany)
Email: aacm@muuc.dee; to decode, wherever there is a repeated letter
(like "aa"), remove half of them (leaving, say, "a").