diff --git a/parse.py b/parse.py
index c388532..82b5e0f 100755
--- a/parse.py
+++ b/parse.py
@@ -1,11 +1,20 @@
 #!/usr/bin/env python3
 
+import sys
+import argparse
 import datetime
+import urllib.request
 from icalendar import Calendar
 from Edt import *
 
-htmlHandle = open('groupe12.html', 'rb')
-htmlStr = htmlHandle.read().decode('iso-8859-15')
+# Parse command line arguments
+parser = argparse.ArgumentParser(description='Convertit l\'emploi du temps IMA3 en ICS')
+parser.add_argument('edt', metavar='EDT', type=str, help='la page pointant vers l\'emploi du temps concerné')
+parser.add_argument('-o', '--output', dest='file', type=str, default='-', help='fichier de sortie, - pour stdout')
+args = parser.parse_args()
+
+with urllib.request.urlopen('http://dptima3.polytech-lille.net/' + args.edt + '.html') as handle:
+    htmlStr = handle.read().decode('iso-8859-15')
 
 # Read HTML tables
 parser = TableHTMLParser()
@@ -45,10 +54,6 @@ for parserTable in parser.tables:
         x = 0
         y += 1
 
-    #for line in table:
-    #    print(' | '.join([str(cell) for cell in line]))
-    #print('-'*20)
-
     tables.append(table)
 
 # Creating events
@@ -103,11 +108,14 @@ cal.add('version', '2.0')
 
 for event in events:
     if event.active:
-        print(event)
+        print(event, file=sys.stderr)
         cal.add_component(event.getEvent())
 
 # Writing calendar to file
-f = open('groupe12.ics', 'wb')
-f.write(cal.to_ical())
-f.close()
+data = cal.to_ical()
+if args.file == '-':
+    sys.stdout.write(data.decode('utf-8'))
+else:
+    with open(args.file, 'wb') as f:
+        f.write(data)
 
--
libgit2 0.21.2