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Message-Id: <200504092321.j39NLk003976@blake.inputplus.co.uk>
To: Linus Torvalds <torvalds@osdl.org>
cc: Petr Baudis <pasky@ucw.cz>, "Randy.Dunlap" <rddunlap@osdl.org>,
       Ross Vandegrift <ross@jose.lug.udel.edu>, Ingo Molnar <mingo@elte.hu>,
       Dave Jones <davej@redhat.com>,
       Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: more git updates.. 
In-Reply-To: <Pine.LNX.4.58.0504091208470.6947@ppc970.osdl.org> 
Date: Sun, 10 Apr 2005 00:21:46 +0100
From: Ralph Corderoy <ralph@inputplus.co.uk>
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Hi Linus,

> Btw, the NUL-termination makes this really easy to use even in shell
> scripts, ie you can do
> 
> 	diff-tree <sha1> <sha1> | xargs -0 do_something
> 
> and you'll get each line as one nice argument to your "do_something"
> script. So a do_diff could be based on something like
> 
> 	#!/bin/sh

Watch out for when xargs invokes do_something more than once and the `<'
is parsed by a different one than the `>'.  A `while read ...; do ...
done' would avoid that, but wouldn't like the NULs instead of LFs.

Cheers,


Ralph.

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