From: Sebastian Gniazdowski <psprint@zdharma.org>
To: Bart Schaefer <schaefer@brasslantern.com>,
Ray Andrews <rayandrews@eastlink.ca>
Cc: zsh Users <zsh-users@zsh.org>
Subject: Re: syntax question
Date: Fri, 23 Mar 2018 17:44:42 +0100 [thread overview]
Message-ID: <etPan.5ab52efa.50667f5b.159ee@zdharma.org> (raw)
In-Reply-To: <CAH+w=7ZYafX9MB0GcKnc5Cbj4GwR74KY196EcA6SZoSRUqiyLA@mail.gmail.com>
On 22 marca 2018 at 02:30:52, Bart Schaefer (schaefer@brasslantern.com) wrote:
> On Wed, Mar 21, 2018 at 4:15 PM, Ray Andrews wrote:
> > ${${(z)string}[1]}
> >
> > ${(z)string[1]}
> >
> > ... How can that mean anything different?
>
> Operator precedence. The second one is equivalent to
> ${(z)${string[1]}}, as you observed.
Also, better to use (Az), utilizing your underrated patch, because:
% a='abcd'
% echo ${${(z)a}[1]}
a
--
Sebastian Gniazdowski
psprint /at/ zdharma.org
next prev parent reply other threads:[~2018-03-23 16:52 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-03-21 23:15 Ray Andrews
2018-03-22 1:30 ` Bart Schaefer
2018-03-23 16:44 ` Sebastian Gniazdowski [this message]
-- strict thread matches above, loose matches on Subject: below --
2015-08-30 19:13 zsh 5.1 released [user] Peter Stephenson
2015-09-06 16:50 ` syntax question Ray Andrews
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