--- /dev/null
+<?xml version="1.0"?>
+<launch>
+ <param name="robot_description" textfile="$(find arm)/urdf/arm.urdf" />
+
+ <node name="robot_state_publisher" pkg="robot_state_publisher" type="state_publisher" />
+ <node name="joint_state_publisher" pkg="joint_state_publisher" type="joint_state_publisher" />
+</launch>