Using defined. : Variable « Language Basics « Perl






  1. Perl
  2. Language Basics
  3. 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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