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






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

    


%presidents = ( George => "A",
                Abe    => "B",
                Thomas => "C",
                Harry  => "D" );
      

@keys = keys( %presidents );

while ( $key = pop( @keys ) ) {
   print "$key => $presidents{ $key }\n";
}

   
    
    
    
  








Related examples in the same category

1.Keys function is used to get all keys in a hash
2.Obtain the list of hashKeys and display each key-value pair
3.The keys operator returns a list of all the key names within a hash.
4.Hash (Associative Array) Functions: The keys function returns, in random order, the keys of a hash.
5.Hash map creation