Date: Mon, 27 Nov 2000 22:35:26 -0500
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From: DJ Delorie <dj AT delorie DOT com>
To: djgpp AT delorie DOT com
In-reply-to: <3A2325FF.A38B511D@sigmanet.com.br> (message from Anderson on
	Tue, 28 Nov 2000 01:26:55 -0200)
Subject: Re: How to switch popen read/write modes?
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> handle = popen ("program", "rb+")

You can't popen a program for both read and write.  You must pick one.