From: Johannes Schindelin <johannes.schindelin@gmx.de>
Date: Sat, 17 Feb 2007 23:16:08 GMT
Subject: Re: test suite failures because cmp behaves oddly
Message-ID: <Pine.LNX.4.63.0702180015470.22628@wbgn013.biozentrum.uni-wuerzburg.de>
In-Reply-To: <7v3b54s7y3.fsf@assigned-by-dhcp.cox.net>

Hi,

On Sat, 17 Feb 2007, Junio C Hamano wrote:

> Johannes Sixt <johannes.sixt@telecom.at> writes:
> 
> > Does anyone know how 'cmp' can signal success when its output is redirected 
> > to /dev/null, even if the compared files are different?
> >
> > $ cmp M.sum actual7.sum; echo $?
> > M.sum actual7.sum differ: char 20, line 2
> > 1
> > $ cmp M.sum actual7.sum > /dev/null; echo $?
> > 0
> > ...
> > Has anyone seen something like this?
> 
> I vaguely recall this reported long time ago from one of the
> regulars on the list, but googling or gmane search came up
> empty.

Was me. AFAIR it was fixed in CVS.

Ciao,
Dscho