diff --git a/rst2atom.py b/rst2atom.py
index 679d52f..b9bca5b 100644
--- a/rst2atom.py
+++ b/rst2atom.py
@@ -1,11 +1,12 @@
 # -*- coding: utf-8 -*-
 
-filename="test.rst"
+import sys
+
+filename=sys.argv[1]
+
 generator_uri = "http://git.sdf.org/rst2atom.py"
 generator_name = "rst2atom"
 
-# https://docutils.sourceforge.io/docs/api/publisher.html
-
 import docutils.core
 import dateutil.parser
 import datetime