Mail Archives: djgpp/2001/06/05/02:04:22

Sender: tim AT picard DOT skynet DOT be
Message-ID: <>
Date: Tue, 05 Jun 2001 08:00:41 +0200
From: Tim Van Holder <tim DOT vanholder AT falconsoft DOT be>
Organization: Falcon Software NV
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To: "John H.T. HO" <htho AT ms4 DOT url DOT com DOT tw>, djgpp AT delorie DOT com
Subject: Re: Reopen stdout in binary mode
References: <9fhr5s$79u AT netnews DOT hinet DOT net>
Reply-To: djgpp AT delorie DOT com

"John H.T. HO" wrote:
> Hi all,
> I am developing a program which concatenates 3 object files and do some
> operation on it. In my program, I write the result data to "stdout" and then
> redirect it to a destination file under bash while the program is executing.
> bash$ concate file1 file2 file file3 > destfile
> Is there a way to reopen the "stdout" in binary mode? Or just treat my
> destination file as the 4th parameter and open it in binary mode explicitly?

Use setmode() to set the file descriptor to binary mode.  See the libc
reference for info on setmode().
If sending binary data to the console is unwanted (it probably is), you
may want to use isatty() first (and possible exit the program if stdout
is a tty).

Tim Van Holder - Anubex N.V.
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