# for the students of 1st month.
sam1
sam2
# for the students of 2nd month.
mike1
mike2
#for the students of 3rd week.
luke1
luke2
# for the students of 3nd month.
ben1
ben2
####
use XML::Twig;
#purpose: get the string of the related $class+$month+index
sub parse_a_counter {
my ($twig, $class) = @_;
my $class_name = $class->{'att'}->{'name'};
my @report = $class->children('report [@type="month"]');
for my $report (@report){
my @string_list = $report->children_text('string');
}
$class->flush; # free the memory of $counter
}
my $roots = { 'class[@name="english"]' => 1 };
my $handlers = { class => \&parse_a_counter };
my $twig = new XML::Twig(TwigRoots => $roots,
TwigHandlers => $handlers);
$twig->parsefile('class_report.xml');