From:	dbe AT wgn DOT net ($Bill Luebkert)
Subject:	Re: I/O redirection of binary data
12 Sep 1998 03:21:30 -0700 :
Message-ID:	<35F9CE3B.DD2644BA.cygnus.gnu-win32@wgn.net>
References:	<199809110932 DOT LAA13319 AT geologi DOT uio DOT no>
Mime-Version:	1.0
To:	Paul Wessel <pal DOT wessel AT geologi DOT uio DOT no>
Cc:	gnu-win32 AT cygnus DOT com

Paul Wessel wrote:
> 
> Hi gnu-win32 experts-
> 
> POSIX recommends that one could use the b(inary) modifier
> in fopen for portability since the b has no effect on POSIX
> systems but may be needed in, say, MS-DOS.  How can
> I deal with this in redirection?  I often have a program do
> 
> program > data
> 
> and data is supposed to be binary but under gnu-win32 I noticed
> that the file size is incorrect (it is larger probably due to CR/LFs?)
> compared to POSIX systems.  This also causes problems when
> trying to read the file with anotherprogram < data.
> Are there any non-intrusive solutions?  WHen using stdout I am
> not using fopen so I cannot easily use the binary flag...

Maybe do isatty() and if not a tty, use binary, else use text mode.

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