From: Stephane Chazelas <stephane.chazelas@gmail.com>
To: Zsh hackers list <zsh-workers@zsh.org>
Subject: <(...), >(...) and fds above 9
Date: Mon, 1 Jul 2019 11:00:01 +0100 [thread overview]
Message-ID: <20190701100001.hbegs7zyu2auckhf@chaz.gmail.com> (raw)
/tmp$ zsh -c 'exec {fd}< a; zmodload zsh/system; sysopen -u fd2 /dev/fd/$fd; echo $fd $fd2; exec 7< a; ls -l /proc/self/fd; cat <(ls -l /proc/self/fd)'
12 13
total 0
lrwx------ 1 stephane stephane 64 Jul 1 10:52 0 -> /dev/pts/15
lrwx------ 1 stephane stephane 64 Jul 1 10:52 1 -> /dev/pts/15
lr-x------ 1 stephane stephane 64 Jul 1 10:52 12 -> /tmp/a
lr-x------ 1 stephane stephane 64 Jul 1 10:52 13 -> /tmp/a
lrwx------ 1 stephane stephane 64 Jul 1 10:52 2 -> /dev/pts/15
lr-x------ 1 stephane stephane 64 Jul 1 10:52 3 -> /proc/464/fd
lr-x------ 1 stephane stephane 64 Jul 1 10:52 7 -> /tmp/a
total 0
lrwx------ 1 stephane stephane 64 Jul 1 10:52 0 -> /dev/null
l-wx------ 1 stephane stephane 64 Jul 1 10:52 1 -> pipe:[2044936]
lrwx------ 1 stephane stephane 64 Jul 1 10:52 2 -> /dev/pts/15
lr-x------ 1 stephane stephane 64 Jul 1 10:52 3 -> /proc/465/fd
lr-x------ 1 stephane stephane 64 Jul 1 10:52 7 -> /tmp/a
It seems fds above 9 are closed in those forms of process substitutions.
It doesn't happen for the =(...) form of process substitution.
Is that intentional?
--
Stephane
next reply other threads:[~2019-07-01 10:00 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <CGME20190701100058epcas2p25e5f8dbd14d048fe2be1d831f3cf60ab@epcas2p2.samsung.com>
2019-07-01 10:00 ` Stephane Chazelas [this message]
2019-07-01 10:08 ` Peter Stephenson
2019-07-01 14:39 ` Bart Schaefer
2019-07-01 15:28 ` Peter Stephenson
2019-07-01 16:22 ` Stephane Chazelas
2019-07-01 16:52 ` Peter Stephenson
2019-07-01 17:00 ` Peter Stephenson
2019-07-01 20:00 ` Stephane Chazelas
2019-07-01 20:06 ` Bart Schaefer
2019-07-02 8:59 ` Peter Stephenson
2019-07-02 12:20 ` Stephane Chazelas
2019-07-02 13:12 ` Peter Stephenson
2019-07-02 15:19 ` Stephane Chazelas
2019-07-02 15:21 ` Peter Stephenson
2019-07-02 16:43 ` Sebastian Gniazdowski
2019-07-02 18:08 ` Stephane Chazelas
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