From: Stephane Chazelas <stephane.chazelas@gmail.com>
To: Peter Stephenson <p.stephenson@samsung.com>, zsh-workers@zsh.org
Subject: Re: [PATCH] Use == in expressions instead of the deprecated =
Date: Fri, 9 Sep 2016 09:52:31 +0100 [thread overview]
Message-ID: <20160909085231.GA9717@chaz.gmail.com> (raw)
In-Reply-To: <20160908143128.GA14933@chaz.gmail.com>
2016-09-08 15:31:28 +0100, Stephane Chazelas:
[...]
> ksh93 also makes "==" obsolete in [[...]]. "==" is still not
> POSIX (and likely not going to be soon as requests to add it
> have been rejected (IIRC)) for the "test"/"[" utility (or expr).
[...]
Sorry, bad memory. Though there was some opposition, the "=="
proposal was not rejected:
http://austingroupbugs.net/view.php?id=375 was what I was
vaguely recalling.
It's still possible that the next major POSIX spec will have
[ == ] and maybe even [[ ]].
You guys may want to comment on the latest proposal there:
http://austingroupbugs.net/file_download.php?file_id=31&type=bug
as it would make zsh non-conformant.
In particular, it proposes specifying [[ =~ ]] the ksh/bash
way, that is where quoting escapes regexp operators (
[[ a =~ "." ]] returns false) and [[ < ]] required to use
collation.
--
Stephane
next prev parent reply other threads:[~2016-09-09 13:09 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-09-05 21:27 Teubel György
2016-09-08 8:35 ` Peter Stephenson
2016-09-08 11:16 ` Peter Stephenson
2016-09-08 14:31 ` Stephane Chazelas
2016-09-08 15:06 ` Stephane Chazelas
2016-09-08 15:14 ` Peter Stephenson
2016-09-08 16:39 ` Mikael Magnusson
2016-09-08 18:47 ` Stephane Chazelas
2016-09-09 12:03 ` Vincent Lefevre
[not found] ` <CGME20160912143133eucas1p11a4e6916dd70b3ceaa163bf3bddfb007@eucas1p1.samsung.com>
2016-09-12 14:31 ` Peter Stephenson
2016-09-09 8:52 ` Stephane Chazelas [this message]
2016-09-09 9:31 ` Peter Stephenson
2016-09-09 16:00 ` Stephane Chazelas
2016-09-14 22:01 ` PATCH: [[ -v varname ]] Oliver Kiddle
2016-09-15 10:55 ` Vincent Lefevre
2016-09-16 0:36 ` Bart Schaefer
2016-09-15 11:08 ` Stephane Chazelas
2016-09-15 11:22 ` wrong "export -p" output for exported but not set variables (Was: PATCH: [[ -v varname ]]) Stephane Chazelas
2016-09-09 17:01 ` [PATCH] Use == in expressions instead of the deprecated = Christian Neukirchen
2016-09-09 18:54 ` Stephane Chazelas
2016-09-09 13:05 ` Peter Stephenson
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