From: dana <dana@dana.is>
To: Bart Schaefer <schaefer@brasslantern.com>
Cc: zsh-workers@zsh.org
Subject: Re: [BUG] Tied parameters not restored correctly after pre-command re-assignment
Date: Fri, 8 Dec 2017 18:47:54 -0600 [thread overview]
Message-ID: <766AB717-4F48-48F0-8480-DB5E13DBD32F@dana.is> (raw)
In-Reply-To: <CAH+w=7a+b8uTROVFOM10pxDCUP0=znT28tkcjqyiaLwzCrRDRw@mail.gmail.com>
On 8 Dec 2017, at 18:23, Bart Schaefer <schaefer@brasslantern.com> wrote:
> Several things: One, there's no implication that assigning to the
> array part of a tied variable will have any effect on the environment
> value of the scalar part unless you've explicitly exported the scalar.
> Two, exporting arrays is unsupported / undefined behavior, so using
> an array assignment as a command prefix is only sensible in contexts
> where all the execution takes place within the current shell (except
> see also item one).
Yeah, i certainly wouldn't expect it to be able to export the array part.
As far as implying an effect on the environment, i don't know, it obviously
doesn't contradict the documentation or anything, but it seems intuitive (and
useful) to me that it would behave that way. But i realise that would be an
enhancement, not a bug.
prev parent reply other threads:[~2017-12-09 0:48 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-12-08 22:51 dana
2017-12-09 0:23 ` Bart Schaefer
2017-12-09 0:47 ` dana [this message]
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