diff --git a/bin/swh-loader-tar-retrieve-tarball b/bin/swh-loader-tar-retrieve-tarball
index ca905c1..f925265 100755
--- a/bin/swh-loader-tar-retrieve-tarball
+++ b/bin/swh-loader-tar-retrieve-tarball
@@ -1,47 +1,52 @@
 #!/usr/bin/env python3
 
 # NOT FOR PRODUCTION (does not use the stable swh storage api yet)
 
 # Copyright (C) 2015  The Software Heritage developers
 # See the AUTHORS file at the top-level directory of this distribution
 # License: GNU General Public License version 3, or any later version
 # See top-level LICENSE file for more information
 
 from swh.core import hashutil
 
 from swh.storage.api.client import RemoteStorage as Storage
 
 
 def escape_hash(sha1):
     """Escape an hexa sha1 to a ready queryable sha1."""
     if isinstance(sha1, bytes):
         sha1 = hashutil.hash_to_hex(sha1)
     return '\\x%s' % sha1
 
 
 def upper_directory_from(db_url, revision_id):
     """Return the directory sha1 the revision with id revision_id points to.
 
     """
     for revision in storage.revision_get([revision_id]):
         return revision['directory']
 
 
 def list_files_from_directory(directory_id_bytes):
     for entry in storage.directory_get(directory_id_bytes, recursive=True):
         yield {'dir_id': hashutil.hash_to_hex(entry[0]),
                'type': entry[1],
                'target': hashutil.hash_to_hex(entry[2]),
                'name': entry[3].decode('utf-8'),
                'perms': entry[4]}
 
 
 storage = Storage('http://localhost:5000/')  # beware the /
 
 db_url = 'dbname=softwareheritage-dev'
 revision_id = hashutil.hex_to_hash('7c82241cb2a564c79f2930ac9416800bbb2a6d3e')
 
 directory_sha1_bytes = upper_directory_from(db_url, revision_id)
+print('directory id: %s' % hashutil.hash_to_hex(directory_sha1_bytes))
 
+count = 0
 for entry in list_files_from_directory(directory_sha1_bytes):
+    count += 1
     print(entry['perms'], entry['name'], entry['target'])
+
+print('nb entries: %s' % count)