From: Peter Stephenson <p.w.stephenson@ntlworld.com>
To: zsh-workers@zsh.org
Subject: Re: Question on unintuitive behaviour for function execution and parameter assignment
Date: Wed, 13 Oct 2021 10:10:36 +0100 (BST) [thread overview]
Message-ID: <486040678.536915.1634116236077@mail2.virginmedia.com> (raw)
In-Reply-To: <6uviEgEHuYei0UyfGfR_mqJvrNcXyJ5zfUwrQViRtmWwGeZwRR1C26lsUK9_D-V_GzCg5cG2gQ2IwHxScwLySDcy71rAa2RMpK5XF8BvtkE=@pm.me>
> On 13 October 2021 at 09:42 Jett Husher <jetthusher@pm.me> wrote:
> On Tuesday, October 12th, 2021 at 10:31, Peter Stephenson <p.w.stephenson@ntlworld.com> wrote:
> > This is covered by the POSIX_BUILTINS option. Generally, the POSIX_* options are
> >
> > the place to look for this sort of think --- granted that can be a bit of hunt.
>
> I wouldn't even think to look at POSIX_* variables because POSIX-2017
> explicitly tells that it's unspecified "Whether or not the variable assignments persist after
> the completion of the function", so, naturally, I though that this behaviour was compliant.
It's always worth (everyone) bearing in mind that zsh is not a POSIX shell by default.
In fact, it's not *completely* POSIX even in sh emulation, as this has been gradually
retrofitted, and not everything can be done within the current constraints.
cheers
pws
prev parent reply other threads:[~2021-10-13 9:10 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-10-12 8:20 Jett Husher
2021-10-12 8:31 ` Peter Stephenson
2021-10-13 8:42 ` Jett Husher
2021-10-13 9:10 ` Peter Stephenson [this message]
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