Ok, I'm not totally sure about that, but I would think it doesn't matter. Each are probably equivalent for perl and considered to be the same at compile-time.

But if you are considering using a variable as a variable name, you might be interested in reading this:
Why it's stupid to `use a variable as a variable name'.

good reading,
Guillaume

In reply to Re: Efficiency of $$var, ${$var} by guillaume
in thread Efficiency of $$var, ${$var} by bladx

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