From: Vincent Lefevre <vincent@vinc17.org>
To: zsh-users@sunsite.dk
Subject: Subshells and parameters (was: File locking within zsh?)
Date: Fri, 12 May 2006 11:17:22 +0200 [thread overview]
Message-ID: <20060512091722.GO4116@prunille.vinc17.org> (raw)
In-Reply-To: <20060511160123.29080117.pws@csr.com>
On 2006-05-11 16:01:23 +0100, Peter Stephenson wrote:
> "Tim Writer" <tim@starnix.com> wrote:
> > Okay. But I don't understand this:
> >
> > tim@ganesh% echo $ZSH_VERSION
> > 4.2.5
> > tim@ganesh% echo $$; ( echo $$ )
> > 18095
> > 18095
> > tim@ganesh%
>
> That's standard shell behaviour: $$ is supposed to be unique to the
> parent shell, not to every subshell instance. [...]
The zshparam man page says:
$ <S> The process ID of this shell.
IMHO, it should give more details, e.g.: in subshells, the value
of this parameter is not changed. Ditto for $PPID. Possibly add a
section about subshells in the man pages.
--
Vincent Lefèvre <vincent@vinc17.org> - Web: <http://www.vinc17.org/>
100% accessible validated (X)HTML - Blog: <http://www.vinc17.org/blog/>
Work: CR INRIA - computer arithmetic / SPACES project at LORIA
next prev parent reply other threads:[~2006-05-12 9:17 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-05-09 22:04 File locking within zsh? Lloyd Zusman
2006-05-10 3:31 ` Tim Writer
2006-05-10 5:59 ` Brian K. White
2006-05-10 10:02 ` Lloyd Zusman
2006-05-10 22:04 ` Tim Writer
2006-05-11 3:41 ` Bart Schaefer
2006-05-11 14:25 ` Tim Writer
2006-05-11 15:01 ` Peter Stephenson
2006-05-12 4:22 ` Tim Writer
2006-05-12 9:17 ` Vincent Lefevre [this message]
2006-05-12 12:09 ` Subshells and parameters Lloyd Zusman
2006-05-12 23:09 ` Vincent Lefevre
2006-05-13 2:05 ` Lloyd Zusman
2006-05-17 14:24 ` Vincent Lefevre
2006-05-17 15:42 ` Bart Schaefer
2006-05-17 16:07 ` Vincent Lefevre
2006-05-13 2:10 ` Dan Nelson
2006-05-11 16:13 ` File locking within zsh? Brian K. White
2006-05-10 17:13 ` Vincent Lefevre
2006-05-11 15:45 ` Brian K. White
2006-05-12 7:54 ` Vincent Lefevre
2006-05-12 19:40 ` Tim Writer
2006-05-12 23:24 ` Vincent Lefevre
2006-05-10 21:53 ` Tim Writer
2006-05-10 6:29 ` DervishD
2006-05-10 10:02 ` Lloyd Zusman
2006-05-10 21:21 ` DervishD
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