diff --git a/python/worblehat.py b/python/worblehat.py
index 12cc566..a87a583 100755
--- a/python/worblehat.py
+++ b/python/worblehat.py
@@ -213,6 +213,13 @@ def combine_dicts(*dicts):
         res.update(d)
     return res
 
+def open_file(filename):
+	if os.path.exists(filename):
+		os.system("%s %s || /usr/bin/env vi %s" %(os.getenv("EDITOR"), filename, filename))
+	else:
+		exit("Error: %s: File does not exist!" % filename)
+
+
 
 cmdline_parsed = parse_cmdline(sys.argv[1:])
 print 'command line parsed to:', cmdline_parsed