diff --git a/python/worblehat.py b/python/worblehat.py
index a87a583..645ac44 100755
--- a/python/worblehat.py
+++ b/python/worblehat.py
@@ -219,6 +219,8 @@ def open_file(filename):
 	else:
 		exit("Error: %s: File does not exist!" % filename)
 
+	return open(filename, 'r').readlines()
+
 
 
 cmdline_parsed = parse_cmdline(sys.argv[1:])