In Perl 5 you need parenthesis directly after the 'if', and curlies both after if and else: 

if (defined param('end_date')) {
   ...
} else {
   ...
}

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see perlintro, perlsyn.

(In Perl 6 you can omit the parenthesis)

In reply to Re: syntax of defined by moritz
in thread syntax of defined by siddheshsawant

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