From: Sebastian Gniazdowski <sgniazdowski@gmail.com>
To: Zsh hackers list <zsh-workers@zsh.org>
Subject: Re: How to restore $? AND $_ ?
Date: Wed, 24 Jul 2019 08:29:08 +0200 [thread overview]
Message-ID: <CAKc7PVCyotM3UknowbpHA-yGg1Hg0ngTLEqeZjrkug9rPKE5yw@mail.gmail.com> (raw)
In-Reply-To: <CAKc7PVDqisHHAcJK06TaFmxCmmhdbYWTQUeBRsfaYu=A8xgvXA@mail.gmail.com>
False alarm – Zsh pushes the $_ values onto some kind of stack:
() { : test2 } test1; echo $_
test1
so appending $_ to the sched's argument is sufficient.
On Wed, 24 Jul 2019 at 08:20, Sebastian Gniazdowski
<sgniazdowski@gmail.com> wrote:
>
> Hello,
> consider the following:
>
> sched-fun() {
> # UND=$_
> local ret=$?
>
> sched +1 "sched-fun \$_"
>
> # : $UND
> return $ret
> }
>
> The point is that the 2 commented lines must be run in the same place
> as the next lines after them in order to work. No way out of this
> problem? It is about not disrupting user session with background
> tasks, I think that this is in general important.
> --
> Sebastian Gniazdowski
> News: https://twitter.com/ZdharmaI
> IRC: https://kiwiirc.com/client/chat.freenode.net:+6697/#zplugin
> Blog: http://zdharma.org
--
Sebastian Gniazdowski
News: https://twitter.com/ZdharmaI
IRC: https://kiwiirc.com/client/chat.freenode.net:+6697/#zplugin
Blog: http://zdharma.org
prev parent reply other threads:[~2019-07-24 6:29 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-07-24 6:20 Sebastian Gniazdowski
2019-07-24 6:29 ` Sebastian Gniazdowski [this message]
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