From: Sebastian Gniazdowski <sgniazdowski@gmail.com>
To: "Jesper Nygårds" <jesper.nygards@gmail.com>
Cc: Zsh Users <zsh-users@zsh.org>
Subject: Re: Filtering array on index
Date: Tue, 23 Jul 2019 10:03:37 +0200 [thread overview]
Message-ID: <CAKc7PVBGeqTLcny5CCJWpDqyta=pfH716+TP5g2X-WWcG=yNFw@mail.gmail.com> (raw)
In-Reply-To: <CAKc7PVCHY-EjwtkYRye4peepc_kOnKyvoMyZBVEf7eK3+W128Q@mail.gmail.com>
On Tue, 23 Jul 2019 at 09:42, Sebastian Gniazdowski
<sgniazdowski@gmail.com> wrote:
> I wonder what's going on? The code looks OK. Maybe it's a bug?
So it seems that the ++idx within the ::=-treated array brackets is
executed twice. This might get considered a bug, but there's a chance
that this is how the code is arranged. After moving ++idx outside, the
code works:
% a=(-v filter1 -v filter2 )
% idx=0; olen=$#a+1; : ${a[@]/(#m)*/$((++idx))${a[idx]::=${a[idx % 2 ?
olen : idx]}}}
% print $a
filter1
filter2
Of course the empty elements are still there so an empty-element
eradicating use like above is needed.
--
Sebastian Gniazdowski
News: https://twitter.com/ZdharmaI
IRC: https://kiwiirc.com/client/chat.freenode.net:+6697/#zplugin
Blog: http://zdharma.org
next prev parent reply other threads:[~2019-07-23 8:04 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-10-25 11:29 Jesper Nygårds
2018-10-25 18:17 ` Mikael Magnusson
2018-10-25 18:55 ` Jesper Nygårds
2018-10-25 19:42 ` Daniel Shahaf
2018-10-25 20:21 ` Bart Schaefer
2018-10-25 20:42 ` dana
2018-10-26 4:14 ` Jesper Nygårds
2018-10-26 7:59 ` Jesper Nygårds
2018-10-26 8:21 ` dana
2018-10-26 9:28 ` Jesper Nygårds
2018-10-28 2:45 ` Bart Schaefer
2019-07-23 3:38 ` Sebastian Gniazdowski
2019-07-23 7:42 ` Sebastian Gniazdowski
2019-07-23 8:03 ` Sebastian Gniazdowski [this message]
2019-09-08 8:59 ` Sebastian Gniazdowski
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