From: Bart Schaefer <schaefer@brasslantern.com>
To: ZyX <kp-pav@yandex.ru>
Cc: Zsh hackers list <zsh-workers@zsh.org>,
Martijn Dekker <martijn@inlv.org>
Subject: Re: Arith parsing bug with minus after $#
Date: Fri, 29 May 2015 14:24:45 -0700 [thread overview]
Message-ID: <CAH+w=7ZGUW-57-HVqy9kAVdH_xysyHvxadPmRyYJq1LTRWWDhA@mail.gmail.com> (raw)
In-Reply-To: <5423831432932500@web1o.yandex.ru>
[-- Attachment #1: Type: text/plain, Size: 557 bytes --]
On May 29, 2015 1:54 PM, "ZyX" <kp-pav@yandex.ru> wrote:
>
> But later it explicitly says that not enclosed in single braces may only
be names or single-character variables. I.e. $#- is ${#}-, $10 is ${1}0, …
Yes, but $#name to return the length of the value of $name is already a zsh
extension, so unless we're in some emulation mode, treating $#- as the
length of $- is perfectly reasonable.
I vaguely recall having a similar discussion about the meaning of $## ...
Related, is ${##foo} parsed like ${#name#foo} with an empty name, or ...?
next prev parent reply other threads:[~2015-05-29 21:32 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-05-28 19:42 Martijn Dekker
2015-05-29 15:02 ` Peter Stephenson
2015-05-29 15:43 ` Martijn Dekker
2015-05-29 18:09 ` Bart Schaefer
2015-05-29 19:33 ` Martijn Dekker
2015-05-29 20:48 ` ZyX
2015-05-29 21:24 ` Bart Schaefer [this message]
2015-05-30 19:24 ` Peter Stephenson
2015-05-30 19:40 ` Peter Stephenson
2015-05-30 22:28 ` Bart Schaefer
2015-05-30 23:30 ` Peter Stephenson
2015-06-07 1:08 ` Bart Schaefer
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