$VAR1 = {
          'KEYS' => 'APPLICATION_SERVER/SERVICE_LIST/Calculator'
        };
$VAR1 = {
          'KEYS' => 'APPLICATION_SERVER/SERVICE_LIST/Calculator/Budget'
        };
$VAR1 = {
          'KEYS' => 'APPLICATION_SERVER/SERVICE_LIST/Calculator/Budget/Account'
        };

##</code><code>##

$VAR1 = {
          'KEYS' => 'APPLICATION_SERVER/SERVICE_LIST/Calculator'
        };
$VAR1 = {
          'KEYS' => 'APPLICATION_SERVER/SERVICE_LIST/Budget'
        };
$VAR1 = {
         'KEYS' => 'APPLICATION_SERVER/SERVICE_LIST/Account'
        };

##</code><code>##

my $source = getHash();
my %container;
tie %container,'Tie::IxHash';
walkHash($source, \%container);

sub walkHash
{
    my $h = shift;
    my $container = shift;

    foreach my $key (keys %$h)
    {
        if($key ne 'Leaf' && ref $h->{$key} )
        {
                $container->{KEYS} = "$container->{KEYS}/$key"
                                    if(exists $container->{KEYS});
                $container->{KEYS} = $key
                             unless(exists $container->{KEYS});
            walkHash($h->{$key}, $container);
        }
        else
        {
            #Process hash under 'LEAF' key here.
            print Dumper($container);
        }
    }
}

sub getHash
{
    my %hash =
    (
    'APPLICATION_SERVER' =>
     {
              'SERVICE_LIST' =>
               {
                      'Account' =>
                        {
                            'Leaf' =>
                            {
                            'EXECUTION' =>
                                {
                                'VALUE' => 'EMPTY'
                                },
                            'MODULE' =>
                                {
                                'VALUE' => 'w.exe'
                                },
                            'APPLICATION' =>
                                {
                                'VALUE' => 'EMPTY',
                                'Id' => 'Account',
                                'Parent' => 'w.default'
                                },
                            'PATH' =>
                                {
                                'VALUE' => '$(res.home)acc'
                                }
                            }
                        },
                       'Calculator' =>
                        {
                            'Leaf' =>
                            {
                            'EXECUTION' =>
                               {
                               'VALUE' => 'EMPTY'
                               },
                            'MODULE' =>
                               {
                               'VALUE' => 'x.exe'
                               },
                            'APPLICATION' => {
                               'VALUE' => 'EMPTY',
                               'Id' => 'Calculator',
                               'Parent' => 'w.default'
                               },
                            'PATH' => {
                               'VALUE' => '$(res.home)$(res.slash)cal'
                               }
                             }
                        },
                        'Budget' =>
                        {
                            'Leaf' =>
                            {
                             'EXECUTION' => {
                               'VALUE' => 'EMPTY'
                               },
                             'MODULE' => {
                               'VALUE' => 'w.exe'
                               },
                             'APPLICATION' => {
                               'VALUE' => 'EMPTY',
                               'Id' => 'Budget',
                               'Parent' => 'w.default'
                               },
                             'PATH' => {
                               'VALUE' => '$(res.appl)$(res.slash)bud'
                               }
                            }
                        },
                }
        }
    );

    return \%hash;
}