Using defined. : Variable « Language Basics « Perl

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Perl » Language Basics » Variable

Using defined.

    

#!/usr/local/bin/perl 



$array[2] = 14; 

$array[4] = "hello"; 

for ($i = 0; $i <= 5; $i++) { 

    if (defined ($array[$i])) { 

        print ("element ", $i+1, " is defined\n"); 

    } 

}

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