Do you use strict; use warnings;?

You dereference $ref in the foreach-loop, while you certainly meant to dereference $param.

Or is this a typo that occured while posting the code?

regards,
tomte

An intellectual is someone whose mind watches itself.
-- Albert Camus

In reply to Re: A dereferencing problem by Tomte
in thread A dereferencing problem by Scarborough

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