Check key existance after using 'delete' operator : delete « Hash « Perl






  1. Perl
  2. Hash
  3. delete

Check key existance after using 'delete' operator

    

$hash{fruit} = apple;
$hash{sandwich} = hamburger;
$hash{drink} = bubbly;

delete($hash{'fruit'});

if (exists($hash{"fruit"})) {
    print "Key exists.";
} else {
    print "Key does not exist.";
}








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5.The delete operator removes a key/value pair from an associative array.