use strict;
use utf8;

$| = 1;

#############################################################
#  recursivSearchFreedb
#############################################################

sub recursivSearchFreedb {
	my ($dir) = @_;
	die "dir $dir\n" if(!$dir || !(-e $dir && -d $dir));
	$dir =~ s/[\/\\]+/\//og;
	$dir = $dir . '/' if( $dir !~ /\/$/o );

	my ($dirname) = ( $dir =~ /^.*\/([^\/]+?)\/*$/o );

	opendir(DIR,$dir) || warn __LINE__."$!\n";
	my @all_dir_files = readdir(DIR);
	closedir(DIR);

	print "Folder: $dir => $dirname\n";

	foreach my $dir_file ( sort @all_dir_files ) {
		$dir_file =~ /^\.+$/o && next;

		my $abspath = $dir . $dir_file;

		if( -d $abspath ) {
			recursivSearchFreedb($abspath);
		}
		else {
			if($dir_file =~ /(^COPYING$|^README$)/io) {
				print "skipping $dir_file\n";
				next;
			}
			elsif(-z $abspath) {
				next;
			}

			my ($content);
			open(IN, "<$abspath") || die "$!\n";
			while(my $line = <IN>) {
				next if not $line =~ /^#\s+xmcd/o;
				$content .= $line;
				my ($TITLEALL,$DISCID,$GENRE);
				for(;;) {
					my $line2 = <IN>;
				if($line2=~/^\s*DTITLE\s*=(.*)$/o) {$TITLEALL .= $1;}
				if($line2=~/^\s*DISCID=\s*(.+?)\s*$/o) {$DISCID = $1;}
				if($line2=~/^\s*DGENRE\s*=(.*)$/o) {$GENRE .= $1;}
					$content .= $line2;
					if($line2 =~ /^PLAYORDER=/o) {
						if( $TITLEALL =~ /Romanti[cqk]/io ) {
							print FILE "$content\n";
						}
						last;
					}
				}
			}
			close(IN);
		}
	}
}

############################################################
#  main starts here
############################################################

open(FILE, ">C:/MyScripts/sresult_standalone.txt") || die "$!\n";
binmode FILE, ":utf8";
recursivSearchFreedb('C:/MyScripts/freedb-update-20200201-20200301');
close(FILE);

print "End of script\n";