Date: Wed, 4 Jun 2003 15:44:28 +0200 (CEST) From: Harti Brandt <brandt@fokus.fraunhofer.de> To: Marc Olzheim <marcolz@stack.nl> Cc: current@freebsd.org Subject: Re: devfs and /dev/fd/3 Message-ID: <20030604154219.K614@beagle.fokus.fraunhofer.de> In-Reply-To: <20030604133019.GA50874@stack.nl> References: <20030604133019.GA50874@stack.nl>
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On Wed, 4 Jun 2003, Marc Olzheim wrote: MO>Hi. MO> MO>I've seen the question once before, but it was not answered (on-list ?), MO>so now that I run in on it, I'd like to know what to do: MO> MO>On FreeBSD 4.x, without devfs, the following worked: MO>( echo foo | tee /dev/fd/3 | tr f F ) 3>&1 MO> MO>It should produce both "foo" and "Foo" MO> MO>FreeBSD 5 with devfs, however, does not create a /dev/fd/3 upon opening MO>filedescriptor 3 by the shell, so there's no device to write to... MO> MO>How can I fix or circumvent this, aside from mounting a ufs partition MO>with mknod-ed files over /dev/fd ? You must mount -tfdescfs fdesc /dev/fd but your example doesn't work even then (although it gives no error). Don't know why. harti -- harti brandt, http://www.fokus.fraunhofer.de/research/cc/cats/employees/hartmut.brandt/private brandt@fokus.fraunhofer.de, harti@freebsd.org
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