From: Mikael Magnusson <mikachu@gmail.com>
To: Peter Stephenson <p.stephenson@samsung.com>
Cc: zsh workers <zsh-workers@zsh.org>
Subject: Re: broken parsing with $((`:`))
Date: Fri, 17 Apr 2015 06:39:29 +0200 [thread overview]
Message-ID: <CAHYJk3T2jd238ZCh1mtNorNKZJ0H8U6wQeTA_VYX2aDiXmAt=w@mail.gmail.com> (raw)
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
next reply other threads:[~2015-04-17 4:39 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-04-17 4:39 Mikael Magnusson [this message]
2015-04-17 9:16 ` PATCH: unwanted error aborting continued command substitution Peter Stephenson
2015-04-17 10:52 ` Mikael Magnusson
2015-04-17 11:02 ` Peter Stephenson
2015-04-17 15:46 ` Bart Schaefer
2015-04-17 16:31 ` Peter Stephenson
-- strict thread matches above, loose matches on Subject: below --
2015-04-15 3:05 broken parsing with $((`:`)) Mike Frysinger
2015-04-15 9:03 ` Peter Stephenson
2015-04-15 15:13 ` Bart Schaefer
2015-04-15 15:26 ` Peter Stephenson
2015-04-15 15:37 ` Peter Stephenson
2015-04-15 16:13 ` Bart Schaefer
2015-04-15 16:31 ` Peter Stephenson
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