vncdisp accepts menu number as argument

vnc/vncdisp

@@ -140,16 +140,21 @@ def initialize():
     return entries
     
 def main():
+    arg_input=None
     if (len(sys.argv)>1):
         if (sys.argv[1]=="-h"):
             print("Start within a VNC session to select different screen resolutions")
             sys.exit(0)
+        arg_input=sys.argv[1]
     entries=initialize()
     print(entries)
     ch=getch()
     drawmenu(entries)
     while True:
-        inkey=ord(ch.get())
+        if arg_input:
+            inkey=ord(arg_input)
+        else:
+            inkey=ord(ch.get())
         #print('-'+str((inkey))+'-')
         if inkey in [120,27,3,24,4]:
             sys.exit(0)
@@ -158,6 +163,8 @@ def main():
         if chr(inkey) in [x[0] for x in entries]:
             launch(chr(inkey),entries)
             entries=initialize()
+        if arg_input:
+            sys.exit(0)
         drawmenu(entries)
 
 main()