From: Bart Schaefer <schaefer@brasslantern.com>
To: Dave Yost <Dave@yost.com>, "zsh-workers@zsh.org" <zsh-workers@zsh.org>
Subject: Re: setopt temporarily?
Date: Thu, 20 Feb 2014 18:45:09 -0800 [thread overview]
Message-ID: <CAH+w=7a93s4G7sGcOEw83jXOX3PY7uv1iLCD_rqd+4AVENCN4w@mail.gmail.com> (raw)
In-Reply-To: <20140220233340.GA25786@redoubt.spodhuis.org>
[-- Attachment #1: Type: text/plain, Size: 694 bytes --]
On Thursday, February 20, 2014, Phil Pennock <
zsh-workers+phil.pennock@spodhuis.org> wrote:
> On 2014-02-20 at 13:06 -0800, Dave Yost wrote:
> > It would be nice to be able similarly to temporarily set an option.
>
> Anonymous function.
>
> (){ setopt localoptions xtrace; ls }
>
Also the emulate command: emulate zsh -o pushdSilent -c 'pushd Desktop'
But in most cases a function with localoptions is what you want.
Incidentally, note that the behavior of
var=value command
depends on what the command is. If it's an external command, the variable
is not just temporarily set, it's temporarily exported into the
environment. For certain builtins the variable becomes permanently set.
prev parent reply other threads:[~2014-02-21 2:45 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-02-20 21:06 Dave Yost
2014-02-20 23:33 ` Phil Pennock
2014-02-21 2:45 ` Bart Schaefer [this message]
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