[clue-tech] bash tip

[Dennis J Perkins]

In an article.  I think it's in Linux Format magazine.


On Sun, 2005-11-27 at 11:02 -0700, Jef Barnhart wrote:
> Where did you find this?
> 
> Jef
> 
> 
> On Wed, 23 Nov 2005 12:00:37 -0700 (MST)
> dperkins at frii.com wrote:
> 
> > Those of you who do bash scripting might find this useful.
> > You can treat the contents of a variable as a pointer to another variable.
> > 
> > a=17
> > b=a
> > 
> > echo $a     prints 17
> > echo $b     prints a
> > 
> > echo ${!b}  prints 17
> > 
> > 
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