diff --git a/script/local.py b/script/local.py
index 90129bd..46b80e4 100644
--- a/script/local.py
+++ b/script/local.py
@@ -12,24 +12,25 @@ class RobotTCP(TcpDevice):
          TcpDevice.__init__(self, name, server) 
          self.timeout =  timeout       
          self.retries = retries
+         self.header = None
+         self.trailer = "\n"
 
     def execute(self, system, command, *argv):
-        #print "Done"
+        cmd = self.header if (self.header != None) else  self.header
         cmd = str(system) + "," + str(command)
         for arg in argv:
             cmd = cmd + "," + str(arg) 
-        cmd = cmd + "\n"
+        if (self.trailer != None): cmd = cmd + self.trailer
         ret = ""
         try:        
-            ret = self.sendReceive(cmd, None, "\n" , 0,  self.timeout, self.retries).strip()
+            ret = self.sendReceive(cmd, None, self.trailer , 0,  self.timeout, self.retries).strip()
         finally:
             self.getLogger().info(cmd + " ret = " + str(ret))
         return ret
 
-
     def mount(self, puck, sample):
         return self.execute('1', '1', puck, sample)
-#add_device(RobotTCP("robot_tcp", "127.0.0.1:3333"), force = True)   
+
 add_device(RobotTCP("robot_tcp", "129.129.126.100:1000"), force = True)