From: Mikael Magnusson <mikachu@gmail.com>
To: Roland Eggner <edvz2@systemanalysen.net>,
zsh workers <zsh-workers@zsh.org>
Subject: Re: Parameter + prompt expansion %D{%T.%.} parser issue
Date: Tue, 19 Jul 2016 02:21:39 +0200 [thread overview]
Message-ID: <CAHYJk3QPHyH30z+iZ8=o9WPviA4F_=sFMFwEeVdBq65GkWEddw@mail.gmail.com> (raw)
In-Reply-To: <20160718203149.GA11086@mobil.systemanalysen.net>
On Mon, Jul 18, 2016 at 10:31 PM, Roland Eggner
<edvz2@systemanalysen.net> wrote:
> emulate -R zsh -c 'print -l ${(%):-%D{%T.%.} %~} "${(%):-%D{%T.%.} %~}" ${(%):-"%D{%T.%.} %~"}'
>
> Expected:
> 22:03:02.324 ~
> 22:03:02.324 ~
> 22:03:02.324 ~
>
> Observed:
> 22:03:02.324 ~
> 22:03:02.324 %~}
> 22:03:02.324 ~
>
>
> Note the trailing “%~}” in the 2nd line.
>
> ZSH_PATCHLEVEL=zsh-5.2-282-ga22f4ea
> uname -m -o
> x86_64 GNU/Linux
>
> Usage error? Bug? Feature?
Usage error, but it's kind of hard to understand what's going on there
admittedly. When ${} is unquoted, then the parser "knows" which {}
belong together, but when you have them under double quotes the {} for
the %D are not special in any way, so the terminating } for %D matches
the ${ as well. You need "${(%):-%D{%T.%.\} %~}" (It would also be a
good idea to use -r for print when testing quoting things although in
this case it makes no difference.)
The same thing happens when you use %F{} etc.
--
Mikael Magnusson
next prev parent reply other threads:[~2016-07-19 0:21 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-07-18 20:31 Roland Eggner
2016-07-19 0:21 ` Mikael Magnusson [this message]
2016-07-19 3:48 ` Bart Schaefer
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