#!perl

use strict;
use warnings;

my $state_capital_of;

$state_capital_of->{'Alabama'}    = 'Montgomery';
$state_capital_of->{'Alaska'}     = 'Juneau';
$state_capital_of->{'Arizona'}    = 'Phoenix';
$state_capital_of->{'Arkansas'}   = 'Little Rock';
$state_capital_of->{'California'} = 'Sacramento';

print "$state_capital_of->{'Alabama'}\n";
print "$state_capital_of->{'Alaska'}\n";
print "$state_capital_of->{'Arizona'}\n";
print "$state_capital_of->{'Arkansas'}\n";

my $state = 'California';

print "$state_capital_of->{$state}\n"
    if exists $state_capital_of->{$state};

[download]

This prints

Montgomery
Juneau
Phoenix
Little Rock
Sacramento

In reply to Re: Access the Keys of a Hash Reference Without a For Loop by Jim
in thread Access the Keys of a Hash Reference Without a For Loop by Dru

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