From: Stephane Chazelas <stephane_chazelas@yahoo.fr>
To: Mikael Magnusson <mikachu@gmail.com>
Cc: Zsh Users <zsh-users@zsh.org>
Subject: Re: is variable with variable name possible?
Date: Mon, 4 Apr 2011 17:28:24 +0100 [thread overview]
Message-ID: <20110404162824.GB9371@yahoo.fr> (raw)
In-Reply-To: <BANLkTikffaVdTwNChVZzE6nKh3u9JMMyMA@mail.gmail.com>
2011-04-04 16:25:01 +0200, Mikael Magnusson:
> On 4 April 2011 16:06, Stephane Chazelas <stephane_chazelas@yahoo.fr> wrote:
> > 2011-04-04 15:48:32 +0200, Jérémie Roquet:
> > [...]
> >> 2011/4/4 zzapper <david@tvis.co.uk>:
> >> > somevar=$(pwd)
> >> >
> >> > but I want somevar to be a variable name
> >>
> >> $ eval "$somevar=$(pwd)"
> > [...]
> >
> > No!
> >
> > eval "$somevar=\$(pwd)"
> > or
> > eval "$somevar=\$PWD"
> >
> >
> > Or think of what would happen if $PWD was "/tmp/x;rm -rf /home"
>
> How do you feel about this?
> : ${(P)somevar::=$PWD}
[...]
Try after
sudo ln -s . '/*'
cd '/*/*/*/*/*'
setopt globsubst
;-)
(if you're lucky, it won't crash your machine).
--
Stephane
next prev parent reply other threads:[~2011-04-04 16:34 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-04-04 13:37 zzapper
2011-04-04 13:48 ` Jérémie Roquet
2011-04-04 13:51 ` Jérémie Roquet
2011-04-04 14:13 ` zzapper
2011-04-04 14:26 ` Bart Schaefer
2011-04-05 8:31 ` Bart Schaefer
2011-04-04 14:06 ` Stephane Chazelas
2011-04-04 14:25 ` Mikael Magnusson
2011-04-04 16:28 ` Stephane Chazelas [this message]
2011-04-04 16:34 ` Mikael Magnusson
2011-04-04 20:50 ` Stephane Chazelas
2011-04-04 22:32 ` Mikael Magnusson
2011-04-05 18:39 ` Stephane Chazelas
2011-04-05 2:54 ` Aaron Davies
2011-04-05 3:54 ` Phil Pennock
2011-04-05 4:04 ` ZyX
2011-04-05 4:10 ` ZyX
2011-04-04 14:33 ` Jérémie Roquet
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