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Re: CVS commit: src/bin/sh
Date: Mon, 4 Jan 2016 20:06:55 -0500
From: christos%zoulas.com@localhost (Christos Zoulas)
On Jan 5, 5:33am, kre%munnari.OZ.AU@localhost (Robert Elz) wrote:
-- Subject: Re: CVS commit: src/bin/sh
| | Does the exec'ed program know what to do with fd > 2?
| | Is it hard-coded, or do we specify it with -fd N?
|
| More likely, if this ever was to be used, it would be /dev/fd/N
| but certainly this is not going to be common.
Right, otherwise people would complain a lot more about ksh than
they currently do looking at the web...
I'm pretty sure I have shell scripts that rely on /dev/fd/N working as
an exec'd command argument for N > 2. An example of an exec'd program
that uses N > 2 without /dev/fd/N is gpg, with the --passphrase-fd,
--command-fd, --status-fd options. I would be unhappy if these broke.
...unless I've misunderstood what this thread is about from my very
cursory skimming of it.
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