From: Vincent Lefevre <vincent@vinc17.net>
To: zsh-users@zsh.org
Subject: Re: detect pipe
Date: Sun, 14 Feb 2021 22:24:48 +0100 [thread overview]
Message-ID: <20210214212448.GB2302738@zira.vinc17.org> (raw)
In-Reply-To: <b5b68acf-8760-5c98-3100-3f1b2d96c69c@eastlink.ca>
On 2021-02-14 12:33:35 -0800, Ray Andrews wrote:
> On 2021-02-14 11:33 a.m., Bart Schaefer wrote:
> > On Sun, Feb 14, 2021 at 9:31 AM Vincent Lefevre <vincent@vinc17.net> wrote:
> > > Closing stdin is a bad idea, as this can break stdout redirection,
> > > and this may be out of control of the commands. See
> > >
> > > https://sourceware.org/bugzilla/show_bug.cgi?id=682
> > IMO that's just silly. If stdin/stdout were never supposed to be
> > closed, why has the standard shell had <&- and >&- for its entire
> > existence? Why wouldn't those be syntax errors when a file descriptor
> > number is not provided if you're never supposed to use them?
> >
> If it is closed, where does input go? Queued up or vanish?
I don't see any difference with a command, like "true", that doesn't
read anything.
--
Vincent Lefèvre <vincent@vinc17.net> - Web: <https://www.vinc17.net/>
100% accessible validated (X)HTML - Blog: <https://www.vinc17.net/blog/>
Work: CR INRIA - computer arithmetic / AriC project (LIP, ENS-Lyon)
next prev parent reply other threads:[~2021-02-14 21:25 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-01-27 16:45 Ray Andrews
2021-01-27 23:59 ` Bart Schaefer
2021-01-28 4:57 ` Ray Andrews
2021-01-28 6:16 ` Bart Schaefer
2021-01-28 10:08 ` Vincent Lefevre
2021-01-28 10:28 ` Vincent Lefevre
2021-01-28 15:05 ` Ray Andrews
2021-01-28 15:45 ` Ray Andrews
2021-01-28 20:58 ` Bart Schaefer
2021-01-28 20:59 ` Bart Schaefer
2021-01-29 1:17 ` Ray Andrews
2021-01-29 2:50 ` Bart Schaefer
2021-01-29 3:21 ` Ray Andrews
2021-01-30 0:29 ` Bart Schaefer
2021-01-30 14:26 ` Ray Andrews
2021-01-30 19:00 ` Bart Schaefer
2021-01-30 19:19 ` Ray Andrews
2021-01-31 19:12 ` Ray Andrews
2021-01-31 21:28 ` Bart Schaefer
2021-02-14 17:31 ` Vincent Lefevre
2021-02-14 19:33 ` Bart Schaefer
2021-02-14 20:33 ` Ray Andrews
2021-02-14 21:20 ` Bart Schaefer
2021-02-14 22:25 ` Ray Andrews
2021-02-14 21:24 ` Vincent Lefevre [this message]
2021-02-14 21:19 ` Vincent Lefevre
2021-02-14 21:24 ` Bart Schaefer
2021-02-14 21:38 ` Bart Schaefer
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