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Date: Wed, 14 Apr 2004 21:40:59 -0701
From: Jos Backus <jos AT catnook DOT com>
To: fergus AT bonhard DOT uklinux DOT net
Cc: cygwin AT cygwin DOT com
Subject: Re: cat: snapshot 20040409 cures problem
Message-ID: <20040415044121.GA87332@lizzy.catnook.com>
Reply-To: jos AT catnook DOT com
References: <200404120609 DOT i3C69xUv043976 AT gdead DOT mooseriver DOT com>
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In-Reply-To: <200404120609.i3C69xUv043976@gdead.mooseriver.com>
User-Agent: Mutt/1.5.6i

On Mon, Apr 12, 2004 at 07:06:21AM +0100, fergus AT bonhard DOT uklinux DOT net wrote:
> The current cygwin-1.5.9 and snapshots up to 20040406 have exhibited an
> intermittent problem with cat: the error msg "input file is output file" has
> been presented during a long sequence
> 
> 	cat f.1 f.2 f.3 ... f.n > f.target
> 
> when there is no coincidence of names. This was reported earlier at
> http://www.cygwin.com/ml/cygwin/2004-03/msg01211.html (also with 1.5.9).
> 
> The problem seems to depend in some subtly inexpressible way (otherwise I
> would have sent a test case) on the contents of f.1 .. f.n and the name of
> f.target.
>  
> Well, at least with the examples I have tried (many) this problem is cured
> with snapshot 20040409. 
> 
> And with 20040411.
> 
> Thank you. 
 
Thanks Fergus, for letting me know I wasn't the only one seeing this.

What still puzzles me is that when I rebuilt cat from scratch I was unable to
reproduce this problem.

Cheers,
Jos

> Fergus

-- 
Jos Backus                       _/  _/_/_/      Sunnyvale, CA
                                _/  _/   _/
                               _/  _/_/_/
                          _/  _/  _/    _/
jos at catnook.com        _/_/   _/_/_/          require 'std/disclaimer'

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