From owner-freebsd-questions  Tue Nov 10 14:42:37 1998
Return-Path: <owner-freebsd-questions@FreeBSD.ORG>
Received: (from majordom@localhost)
          by hub.freebsd.org (8.8.8/8.8.8) id OAA28660
          for freebsd-questions-outgoing; Tue, 10 Nov 1998 14:42:37 -0800 (PST)
          (envelope-from owner-freebsd-questions@FreeBSD.ORG)
Received: from resnet.uoregon.edu (resnet.uoregon.edu [128.223.144.32])
          by hub.freebsd.org (8.8.8/8.8.8) with ESMTP id OAA28653
          for <freebsd-questions@FreeBSD.ORG>; Tue, 10 Nov 1998 14:42:30 -0800 (PST)
          (envelope-from dwhite@resnet.uoregon.edu)
Received: from localhost (dwhite@localhost)
          by resnet.uoregon.edu (8.8.8/8.8.8) with ESMTP id OAA24357;
          Tue, 10 Nov 1998 14:42:06 -0800 (PST)
          (envelope-from dwhite@resnet.uoregon.edu)
Date: Tue, 10 Nov 1998 14:42:05 -0800 (PST)
From: Doug White <dwhite@resnet.uoregon.edu>
To: "David E. Cross" <crossd@cs.rpi.edu>
cc: freebsd-questions@FreeBSD.ORG
Subject: Re: Bidirectional /dev/lpt0
In-Reply-To: <Pine.SGI.4.05.9811101345360.818-100000@o2.cs.rpi.edu>
Message-ID: <Pine.BSF.4.03.9811101441460.2215-100000@resnet.uoregon.edu>
MIME-Version: 1.0
Content-Type: TEXT/PLAIN; charset=US-ASCII
Sender: owner-freebsd-questions@FreeBSD.ORG
Precedence: bulk
X-Loop: FreeBSD.ORG

On Tue, 10 Nov 1998, David E. Cross wrote:

> I have a bidirectional parallel port, however FreeBSD does not want to let
> me read data from it:
> bash-2.02# cat </dev/lpt1
> cat: stdin: Operation not supported by device
> 
> (there is a printer attached to it).
> 
> What am I doing wrong?

The lpt device driver does not support reading.  The hardware might take
it but the system cannot.

Doug White                               
Internet:  dwhite@resnet.uoregon.edu    | FreeBSD: The Power to Serve
http://gladstone.uoregon.edu/~dwhite    | www.freebsd.org


To Unsubscribe: send mail to majordomo@FreeBSD.org
with "unsubscribe freebsd-questions" in the body of the message