Re: How to expand variables from string?

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From: CrispieCritter
Date: Wed, 17 Oct 2007 22:48

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On Oct 17, 1:24 pm, Olivier Langlois <olangl...@sympatico.ca> wrote:
> Hi,
>
> First, sorry if I am cross-posting this question. I am not sure to
> understand the difference between the 2 newsgroups.
>
> My problem is that I have a shell variable containing a string
> composed of variable names preceded with the expension operator ('$')
> and I am fighting with the shell to find a way to make the expension.
> Here is an example:
>
> var1='$HOME'
> echo $var1
>
> will display $HOME but I would like to find a construction that would
> allow me to print the $HOME value from the var1 variable.
>
> Thank you for your assistance,
> Olivier Langloishttp://www.olivierlanglois.nethttp://blog.olivierlanglois.net

Don't enclose the variable with quotes. For example:

HOME="Some Random Text"
TEST=$HOME
echo $TEST

This would then print the text "Some Random Text" without quotes which
is what you want ?

Glenn

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From:  CrispieCritter@gmail.com
Newsgroups: alt.comp.lang.shell.unix.bourne-bash,gnu.bash
Subject: Re: How to expand variables from string?
Date: Wed, 17 Oct 2007 15:48:20 -0700
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