Add 'type mn -h for details' to usage message.

2012-08-16 16:12:55 -07:00
parent e8238d185d
commit 01e0758e5d
1 changed files with 4 additions and 1 deletions
@@ -143,7 +143,10 @@ class MininetRunner( object ):
                 "command line. It can create parametrized topologies,\n"
                 "invoke the Mininet CLI, and run tests." )

-        opts = OptionParser( description=desc )
+        usage = ( '%prog [options]\n'
+                  '(type %prog -h for details)' )
+
+        opts = OptionParser( description=desc, usage=usage )
        addDictOption( opts, SWITCHES, SWITCHDEF, 'switch' )
        addDictOption( opts, HOSTS, HOSTDEF, 'host' )
        addDictOption( opts, CONTROLLERS, CONTROLLERDEF, 'controller' )