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Date: Fri, 17 Apr 2015 06:39:29 +0200
Message-ID: <CAHYJk3T2jd238ZCh1mtNorNKZJ0H8U6wQeTA_VYX2aDiXmAt=w@mail.gmail.com>
Subject: Re: broken parsing with $((`:`))
From: Mikael Magnusson <mikachu@gmail.com>
To: Peter Stephenson <p.stephenson@samsung.com>
Cc: zsh workers <zsh-workers@zsh.org>
Content-Type: text/plain; charset=UTF-8

On Wed, Apr 15, 2015 at 11:03 AM, Peter Stephenson
<p.stephenson@samsung.com> wrote:
> On Tue, 14 Apr 2015 23:05:31 -0400
> Mike Frysinger <vapier@gentoo.org> wrote:
>> looks like zsh doesn't correctly parse this:
>> $ zsh -c 'echo $((`:`))'
>> zsh:1: bad math expression: illegal character: \M-]
>>
>> looks like it's related to the subshell not outputting anything.
>
> Yes, indeed --- there's a funny internal special case for empty strings
> that I never quite get my head around.
>
> (Please, God, make the problems with command and math substitution
> parsing stop now.)

% $(
cmdsubst> [press ctrl-c here]
zsh: parse error near `$('

I would expect to not get an error message about syntax after pressing
ctrl-c. It doesn't happen with $((, { or any other unbalanced thingers
I tried.

-- 
Mikael Magnusson