+
+#usage to print the way this script should be called
+function usage () {
+ echo "usage:"
+ echo "$0 [-quiet] [-keep-temps] [-trace <tracefile>] [-np <numprocs>] -platform <xmldesc> -hostfile <hostfile> [-map] program [program-options]"
+ echo "or (deprecated usage):"
+ echo "$0 [-quiet] [-keep-temps] [-np <numprocs>] [-bandwidth <bytes/sec>] [-latency <secs>] program [program-options]"
+ echo
+}
+
+#check if we have at least one parameter
+if [ $# -eq 0 ]
+then
+ usage
+ exit
+fi
+
+