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1 | initial version |
Of course it does not work
can you tell us what you see, if it does not work?
This:
<launch>
<arg name="n" />
<param name="something" value="/dev/video$(arg n)"/>
</launch>
started as roslaunch my_pkg test.launch n:=4
result in:
something: /dev/video4
on my system.
2 | No.2 Revision |
Of course it does not work
can you tell us what you see, if it does not work?
This:
<launch>
<arg name="n" />
<param name="something" value="/dev/video$(arg n)"/>
</launch>
started as roslaunch my_pkg test.launch n:=4
result in:
something: /dev/video4
on my system.