编写的.launch文件,执行的时候说
Found the following, but they're either not files
然后我设置了权限
chmod 777 talker_listener.launch,不管里面写了什么都是报错:
/home/xmy/catkin_ws/src/basic/launch/talker_listener.launch: 行 1: 未预期的符号 `newline' 附近有语法错误
/home/xmy/catkin_ws/src/basic/launch/talker_listener.launch: 行 1: `<launch>'
launch问价如下:
<launch>
<node name="talker" pkg="rospy_tutorials"
type="talker.py" output="screen" />
<node name="listener" pkg="rospy_tutorials"
type="listener.py" output="screen" />
</launch>