diff --git a/src/wani.py b/src/wani.py
index 6ea7819..3ba75a5 100644
--- a/src/wani.py
+++ b/src/wani.py
@@ -53,6 +53,11 @@ def main(args):
         del matches
         gc.collect()
 
+    # if no output files, just exit
+    if all([x == None for x in [args.out, args.out_no_stat, args.all, args.stats]]):
+        database.commit()
+        return
+
     # get word renders for lemma/msd
     word_stats.generate_renders()
     match_store.determine_colocation_dispersions()
@@ -76,7 +81,7 @@ if __name__ == '__main__':
     parser.add_argument('structures',
                         help='Structures definitions in xml file')
     parser.add_argument('input',
-                        help='input xml file in `ssj500k form`, can list more than one', nargs='+')
+                        help='input file in (gz or xml currently). If none, then just database is loaded', nargs='*')
     parser.add_argument('--out',
                         help='Classic output file')
     parser.add_argument('--out-no-stat',
@@ -116,7 +121,6 @@ if __name__ == '__main__':
     parser.add_argument('--pc-tag',
                         help='Tag for separators, usually pc or c', default="pc")
 
-
     args = parser.parse_args()
     logging.basicConfig(stream=sys.stderr, level=args.verbose.upper())