From: Stephane Chazelas <stephane.chazelas@gmail.com>
To: Christian Neukirchen <chneukirchen@gmail.com>
Cc: zsh-workers@zsh.org
Subject: Re: [PATCH] Use == in expressions instead of the deprecated =
Date: Fri, 9 Sep 2016 19:54:14 +0100 [thread overview]
Message-ID: <20160909185414.GC9717@chaz.gmail.com> (raw)
In-Reply-To: <87twdpaty0.fsf@juno.home.vuxu.org>
2016-09-09 19:01:27 +0200, Christian Neukirchen:
[...]
> >> -The `tt(==)' form is the preferred one. The `tt(=)' form is for
> >> -backward compatibility and should be considered obsolete.
[...]
> > ksh93 also makes "==" obsolete in [[...]].
>
> My ksh93 (ksh-2012.08.01) man page says:
>
> Conditional Expressions.
> A conditional expression is used with the [[ compound command to test
> attributes of files and to compare strings.
> ...
> string == pattern
> True, if string matches pattern. Any part of pattern can be
> quoted to cause it to be matched as a string. With a successful
> match to a pattern, the .sh.match array variable will contain
> the match and sub-pattern matches.
> string = pattern
> Same as == above, but is obsolete.
[...]
Sorry, that's what I meant and I ended up saying the opposite.
ksh93 also (like zsh) makes "=" obsolete. I assumed the zsh
manual was making = obsolete because ksh did as well (that
[[...]] construct comes from ksh).
--
Stephane
next prev parent reply other threads:[~2016-09-09 19:01 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
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 [this message]
2016-09-09 13:05 ` Peter Stephenson
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