diff --git a/revisions/server.py b/revisions/server.py
index 16b4fac..fa7aa09 100755
--- a/revisions/server.py
+++ b/revisions/server.py
@@ -1,52 +1,63 @@
 #!/usr/bin/env python
 
+import sys
 import zmq
 
 from swh.model.hashutil import hash_to_hex
 from swh.provenance import get_archive
 from swh.provenance.revision import FileRevisionIterator
 
 
 # TODO: take this from a configuration file
 conninfo = {
     "archive": {
         "cls": "ps",
         "db": {
             "host": "somerset.internal.softwareheritage.org",
             "port": "5433",
             "dbname": "softwareheritage",
             "user": "guest"
         }
     }
 }
 
 if __name__ == "__main__":
-    # TODO: make this a command line parameter
-    filename = "../../swh-provenance/data/ordered.csv"
-    limit = None
+    # Set minimum logging level to INFO.
+    logging.getLogger().setLevel(logging.INFO)
+
+    if len(sys.argv) < 2:
+        print("usage: server <filename> [limit]")
+        print("where")
+        print("    filename     : csv file containing the list of revisions to be iterated (one per")
+        print("                   line): revision sha1, date in ISO format, root directory sha1.")
+        print("    limit        : max number of revisions to be retrieved from the file.")
+        exit(-1)
+
+    filename = sys.arv[1]
+    limit = int(sys.arv[2]) if len(sys.argv) > 2 else None
     port = 5556
     
     context = zmq.Context()
     socket = context.socket(zmq.REP)
     socket.bind(f"tcp://*:{port}")
 
     archive = get_archive(**conninfo["archive"])
     revisions = FileRevisionIterator(filename, archive, limit=limit)
     while True:
         revision = revisions.next()
         if revision is None:
             break
 
         # Wait for next request from client
         message = socket.recv()
         message = {
             "rev" : hash_to_hex(revision.id),
             "date" : str(revision.date),
             "root" : hash_to_hex(revision.root)
         }
         socket.send_json(message)
 
     while True:
         # Force all clients to exit
         message = socket.recv()
         socket.send_json(None)