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Re: variable indirection and arrays ?


From: Paul Jarc
Subject: Re: variable indirection and arrays ?
Date: Wed, 20 Nov 2002 12:49:26 -0500
User-agent: Gnus/5.090008 (Oort Gnus v0.08) Emacs/21.2 (i686-pc-linux-gnu)

Jorma Laaksonen <jorma.laaksonen@hut.fi> wrote:
> bash-2.05a$ a=(xxx yyy zzz)
> bash-2.05a$ b=a
> bash-2.05a$ echo ${a[@]}
> xxx yyy zzz
> bash-2.05a$ echo ${!b[@]}
> xxx

! is just syntactic sugar.  You can use eval to get the same effect:
eval "echo \${${b}[@]}"


paul




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