[clue-tech] bash tip

[Jef Barnhart]

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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