rdf_files = scanner (path, rdf_filter, 0, true, true);
if (rdf_files) {
for (x = rdf_files->begin(); x != rdf_files->end (); ++x) {
rdf_files = scanner (path, rdf_filter, 0, true, true);
if (rdf_files) {
for (x = rdf_files->begin(); x != rdf_files->end (); ++x) {