GNU bug report logs - #17075
diff - - exits immediately

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Message #35 received at 17075 <at> debbugs.gnu.org (full text, mbox):

From: Paul Eggert <eggert <at> cs.ucla.edu>
To: Karl Berry <karl <at> freefriends.org>
Cc: 17075 <at> debbugs.gnu.org
Subject: Re: [bug-diffutils] bug#17075: diff - - exits immediately
Date: Tue, 25 Mar 2014 18:06:53 -0700

[Message part 1 (text/plain, inline)]

Karl Berry wrote:
> I think it would be better to say*something*  about the fact that
> diff does not always read its input, in the event that it can determine the
> result via other methods.

Thanks, that sounds good; I installed the attached.

> This is so unlike virtually every other program

Hmm, well, in diff's defense, lots of commonly-used programs avoid 
reading some or all their input in some cases, including 'grep', 'head', 
'tail', 'sed', 'awk', 'dd', 'more', and 'od'.  It's not just 'diff' and 
'cmp'.

[0001-doc-improve-documentation-about-reading-and-stdin.patch (text/plain, attachment)]

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