# Just walk the created structure, and output
# the name whenever we hit a leaf :

sub walk {
  my ($hashref, $path) = @_;
  #print $path,"\n";
  my @keys = keys %$hashref;
  if (@keys) {
    walk( $hashref->{$_}, $path . "/$_" ) foreach (@keys);
  } else {
    print "$path\n";
  };
};

walk( \%thingy, "" );