From: "Benjamin R. Haskell" <zsh@benizi.com>
To: Greg Klanderman <gak@klanderman.net>
Cc: Zsh list <zsh-workers@zsh.org>
Subject: Re: 'K' subscript flag with associative array?
Date: Tue, 1 Mar 2011 12:13:02 -0500 (EST) [thread overview]
Message-ID: <alpine.LNX.2.01.1103011202030.2792@hp> (raw)
In-Reply-To: <19821.9197.225140.311873@gargle.gargle.HOWL>
On Tue, 1 Mar 2011, Greg Klanderman wrote:
>
> Hi guys, what am I doing wrong here? Shouldn't this:
>
> zsh% echo ${(k)functions[(K)_*]}
>
> give all function names starting with '_'?
You want:
${functions[(I)_*]}
If I'm reading the man page right, I'd interpret your attempt as:
the list of functions whose names, when taken as patterns, match the
literal string: '_*'
K treats the keys as patterns.
Most function names don't contain pattern metachars, so when taken as
patterns, only match their own names.
But, for example:
$ '??' () { echo question everything }
$ print -l ${(k)functions[(K)_*]}
??
# because the key '??' matches any two characters
$ print -l ${(k)functions[(K)lj]}
??
Not sure what the utility is, though. Something like this, I guess?
$ typeset -A featureset
$ featureset=( '*.*' hasadot 'test.*' 'test function' )
$ print -l ${featureset[(K)lkjlkjljk.ojojojoj]}
hasadot
$ print -l ${featureset[(K)test.function]}
hasadot
test function
--
Best,
Ben
prev parent reply other threads:[~2011-03-01 17:13 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-03-01 16:50 Greg Klanderman
2011-03-01 17:09 ` Mikael Magnusson
2011-03-01 17:20 ` Benjamin R. Haskell
2011-03-01 17:28 ` Mikael Magnusson
2011-03-01 18:08 ` Greg Klanderman
2011-03-01 17:13 ` Benjamin R. Haskell [this message]
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