Or use the parentheses around the argument to defined(): 
print defined($a) ? "Defined\n" : "Undefined\n";

[download]
That looks more sensical than some floating + to make things work.

japhy -- Perl and Regex Hacker

In reply to Re: Re: Re: what is *undef* ? by japhy
in thread what is *undef* ? by kiseok7

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