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Re: TRAPEXIT question

X-seq: zsh-workers 7367
From: Peter Stephenson <pws@xxxxxxxxxxxxxxxxx>
To: greg@xxxxxxxxxxxxxx, zsh-workers@xxxxxxxxxxxxxx (Zsh list)
Subject: Re: TRAPEXIT question
Date: Thu, 05 Aug 1999 10:34:06 +0200
In-reply-to: "Greg Klanderman"'s message of "Wed, 04 Aug 1999 17:54:24 DFT." <14248.46736.675369.613655@xxxxxxxxxxxxxxxxxxx>
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Greg Klanderman wrote:
> So is there an easy way to indirect through the value of a variable?
> I know I can use eval, but, for example, in BASH you can do
> 
> foo=bar
> bar=baz
> echo ${!foo}   -> baz

The zsh equivalent (from 3.1.6) is

  foo=bar
  bar=baz
  echo ${(P)foo}

There may be some reason why didn't use !, which I think was mentioned at
some point, but I can't remember what it was.

-- 
Peter Stephenson <pws@xxxxxxxxxxxxxxxxx>       Tel: +39 050 844536
WWW:  http://www.ifh.de/~pws/
Dipartimento di Fisica, Via Buonarroti 2, 56127 Pisa, Italy

Follow-Ups:
- Re: TRAPEXIT question
  - From: Bart Schaefer

References:
- Re: TRAPEXIT question
  - From: Greg Klanderman

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