use strict;
my $directory = '.';
print "\n\n";
print CountSize($directory);
print "\n\n";
sub CountSize {
 my $directory = shift;
 $directory .= "/*";
 my ($ask, $filesize,$item, $size, @raiz);
 @raiz = glob($directory);
 foreach $item (@raiz) {
   $ask = -d $item;
   if ($ask) {
     $size += &CountSize($item);
   } else {
     $size += -s $item;
   }
 }
 return($size);
}