-#!/usr/bin/perl -w
+#!/usr/bin/env perl
+
+# Copyright (c) 2011, 2014. The SimGrid Team.
+# All rights reserved.
+
+# This program is free software; you can redistribute it and/or modify it
+# under the terms of the license (GNU LGPL) which comes with this package.
+
use strict;
+use warnings;
my $toversion=3;
my $nb_peer = $ARGV[0];
