Obtain the list of hashKeys and display each key-value pair : keys « Hash « Perl






  1. Perl
  2. Hash
  3. keys

Obtain the list of hashKeys and display each key-value pair

    



%hash = ( Karl  => 1,
          Joe   => 3,
          Shawn => 0,
          Paul  => 2, 
          Bill  => undef );


@hashKeys = keys( %hash );

for ( $i = 0; $i < @hashKeys; ++$i ) {
   print "$hashKeys[ $i ] => $hash{ $hashKeys[ $i ] }\n";
}








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