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From: Johan Grande <nahoj@crans.org>
To: Bart Schaefer <schaefer@brasslantern.com>
Cc: zsh-workers@zsh.org
Subject: Re: Pattern bug on (a*|)~^(*b)
Date: Tue, 25 Jul 2023 20:47:38 +0200	[thread overview]
Message-ID: <8c33aa3a-fde5-45ce-8f22-c817c6fa4a9a@crans.org> (raw)
In-Reply-To: <CAH+w=7a1CFu9G5Tc3HT=hizPBuaKLbZwg_hRPNTb1G6vWs-2VA@mail.gmail.com>

Le 25/07/2023 à 20:35, Bart Schaefer a écrit :
> On Tue, Jul 25, 2023 at 6:19 AM Johan Grande <nahoj@crans.org> wrote:
>>
>> In zsh 5.8.1 (x86_64-ubuntu-linux-gnu) with extended_glob,
>>
>> [[ "ab" = (|a*)~^(*b) ]]
>>
>> incorrectly (unless I'm mistaken) returns 1.
> 
> This is not precisely a bug, it's expected behavior.  Alternation with
> (x|y) tries the patterns in left-to-right order and has lower
> precedence than p~q (despite the parens).

I don't get it. What are the different patterns tried during this 
left-to-right evaluation of (|a*)~^(*b) ?

-- 
Johan



  reply	other threads:[~2023-07-25 18:47 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-07-25 13:19 Johan Grande
2023-07-25 18:35 ` Bart Schaefer
2023-07-25 18:47   ` Johan Grande [this message]
2023-07-28  1:02     ` Bart Schaefer
2023-07-28  6:41       ` Stephane Chazelas
2023-07-29  1:35         ` Bart Schaefer
2023-08-01 13:19           ` Johan Grande
2023-08-01 13:30             ` Peter Stephenson
2023-08-01 13:46               ` Johan Grande
2023-08-02  8:31               ` Johan Grande
2023-08-02  9:37                 ` Peter Stephenson
2023-07-31 11:36 ` Peter Stephenson
2023-07-31 15:21   ` Peter Stephenson

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