diff --git a/converter.py b/converter.py
index db2bb38cce63b5be846cb4da2cec631949971adb..6591b1bd043011618a160b04a51740008b6a23a3 100755
--- a/converter.py
+++ b/converter.py
@@ -1,6 +1,9 @@
+#!/usr/bin/env python
+# -*- encoding: utf-8 -*-
+
 import json
 import glob
-import os
+import os,sys
 # Basic converter to json, avec roles nounous partout
 
 init_path = '/home/dstan/crans/passwords/'
@@ -12,7 +15,13 @@ filenames = glob.glob('*.asc')
 
 encoder=json.JSONEncoder()
 for filename in filenames:
-    nf = file(final_path+filename[:-4]+'.json','w')
+    fname=final_path+filename[:-4]+'.json'
+    if os.path.exists(fname):
+        print "%s already exists, ignored" % filename
+        continue
+    else:
+        print "Traitement de %s" % filename
+    nf = file(fname,'w')
     
     nf.write(encoder.encode({'roles':['nounous']\
         ,'contents':open(filename).read()}))