if (($files{'sumofmedias'}+$files{'sumofdirs'}) % $config{'thumbs-cols'}) > 0) {
    my $maxrows = int(($files{'sumofmedias'}+$files{'sumofdirs'})/$config{'thumbs-cols'}) + 1;
}
else {
    my $maxrows = int(($files{'sumofmedias'}+$files{'sumofdirs'})/$config{'thumbs-cols'});
}