<?xml version="1.0"?> <launch> <arg name="limited" default="false"/> <param unless="$(arg limited)" name="robot_description" command="$(find xacro)/xacro --inorder '$(find ur_description)/urdf/ur10_robot.urdf.xacro'" /> <param if="$(arg limited)" name="robot_description" command="$(find xacro)/xacro --inorder '$(find ur_description)/urdf/ur10_joint_limited_robot.urdf.xacro'" /> </launch>