From: Peter Stephenson <pws@csr.com>
To: zsh-users@sunsite.dk
Subject: Re: value of a key pointed by (P) ?
Date: Fri, 15 Sep 2006 18:56:28 +0100 [thread overview]
Message-ID: <20060915185628.4641deb7.pws@csr.com> (raw)
In-Reply-To: <20060915174734.GA14349@ulpmm.u-strasbg.fr>
Marc Chantreux <marc.chantreux@ulpmm.u-strasbg.fr> wrote:
> typeset -A a
> a=(
> this is
> something special
> for you
> )
> b=a
> k=this
> print ${${(P)b}[$k]}
>
> i expect 'is', i get 'you'. Why ? how to fix ?
The expression generated by ${(P)b} is passed back as an ordinary array, so
it isn't indexed properly by the $k.
I don't think there's an easy answer; you have to resort to something like
eval print '${'$b'[$k]}'
--
Peter Stephenson <pws@csr.com> Software Engineer
CSR PLC, Churchill House, Cambridge Business Park, Cowley Road
Cambridge, CB4 0WZ, UK Tel: +44 (0)1223 692070
To access the latest news from CSR copy this link into a web browser: http://www.csr.com/email_sig.php
next prev parent reply other threads:[~2006-09-15 17:56 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-09-15 17:47 Marc Chantreux
2006-09-15 17:56 ` Peter Stephenson [this message]
2006-09-15 20:17 ` Marc Chantreux
2006-09-16 5:57 ` Bart Schaefer
2006-09-16 5:47 ` Bart Schaefer
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