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Re: Hashing it out: defined? exists?

by ikegami (Patriarch)
on Sep 02, 2005 at 19:42 UTC ( [id://488758]=note: print w/replies, xml ) Need Help??

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  1. or download this
    if (exists  $hash{$key})  # If exists
if (defined $hash{$key})  # If exists, defined
if (        $hash{$key})  # If exists, defined and true

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