From owner-cvs-all  Tue Sep 24 21:57:52 2002
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Date: Wed, 25 Sep 2002 00:50:57 -0400
From: Mike Barcroft <mike@FreeBSD.org>
To: Garance A Drosihn <drosih@rpi.edu>
Cc: "Andrey A. Chernov" <ache@nagual.pp.ru>,
	Julian Elischer <julian@elischer.org>, Peter Wemm <peter@wemm.org>,
	cvs-committers@FreeBSD.org, cvs-all@FreeBSD.org
Subject: Re: cvs commit: src/lib/libncurses Makefile
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References: <20020924203449.42E932A7D6@canning.wemm.org> <Pine.BSF.4.21.0209241338580.41579-100000@InterJet.elischer.org> <20020924204954.GB60957@nagual.pp.ru> <p05111701b9b690600e72@[128.113.24.47]>
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In-Reply-To: <p05111701b9b690600e72@[128.113.24.47]>; from drosih@rpi.edu on Tue, Sep 24, 2002 at 06:03:15PM -0400
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Garance A Drosihn <drosih@rpi.edu> writes:
> At 12:49 AM +0400 9/25/02, Andrey A. Chernov wrote:
> >On Tue, Sep 24, 2002 at 13:39:55 -0700, Julian Elischer wrote:
> >>
> >>  This is silly.. the +POS syntax is probably one of the most commonly
> >>  used syntaxes for sort.
> >
> >Talk with POSIX people about it. +N is valid filename per POSIX, so
> >old  syntax can't be preserved.
> 
> What ever happened to the idea of using '--' to mean "all the following
> arguments are files, even if they look like options"?
> 
> After all, every other option is also "a valid filename", so what is
> so special about "+N"?
> 
> We can preserve anything we want to preserve, and document where our
> sort command is different from posix.  Maybe at some future time it
> will be less painful to drop +N, but we will have enough pain with
> release 5.0 that we don't need to add this incompatible change.
> 
> Just MO, of course.

The logic could be written:
  interpret +foo as filename
  if file doesn't exist
    display warning about deprecated usage
    do the historical thing

Best regards,
Mike Barcroft

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