That last loop just begs for trimming: 

grep { not defined $$_ } values %params
    or die usage();

[download]

Well, maybe it's just me. But I really think that judicious grep usage is much clearer than equivalent for loops.

    -- Chip Salzenberg, Free-Floating Agent of Chaos

In reply to Re: Re: .= $err_msg by chip
in thread .= $err_msg by mandog

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