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From: Stephane Chazelas <stephane_chazelas@yahoo.fr>
To: "Jérémie Roquet" <arkanosis@gmail.com>
Cc: Zsh Users <zsh-users@zsh.org>, zzapper <david@tvis.co.uk>
Subject: Re: is variable with variable name possible?
Date: Mon, 4 Apr 2011 15:06:51 +0100	[thread overview]
Message-ID: <20110404140651.GA9371@yahoo.fr> (raw)
In-Reply-To: <BANLkTimegXA4_5Co4sSWKgOmY_U-EWE6Pg@mail.gmail.com>

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"

-- 
Stephane


  parent reply	other threads:[~2011-04-04 14:13 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 [this message]
2011-04-04 14:25     ` Mikael Magnusson
2011-04-04 16:28       ` Stephane Chazelas
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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