$json        = valid_json($api_request->{content});

$json        = parse_json($api_request->{content});

$nodes_in_numbers = scalar @$json;

push @nodes_rand, [$json->[$_]{ip}, $json->[$_]{name}, $json->[$_]{country}] for (0..$nodes_in_numbers -1);

@nodes_sorted = nsort_by { int $_->[0] } @nodes_rand;

format HEAD =

************************************************

************************************************

.

write HEAD;

for (0..$nodes_in_numbers -1) {

    unless ($nodes_sorted[$_][0] == $nodes_sorted[$_ +1][0]) {

            $api_request = $api->get('http://' . $nodes_sorted[$_][1] . '.enn.lu/vnstat.xml');

            $parser      = XML::LibXML->new();

            $vnstat_xml  = $parser->load_xml(string => $api_request->{content});

            $query = '/vnstat/interface/traffic/total';