<arg name="node_start_delay" default="1.0" /> <node name="listener" pkg="roscpp_tutorials" type="listener" launch-prefix="bash -c 'sleep $(arg node_start_delay); $0 $@' " />
<arg name="node_start_delay" default="1.0" /> <node name="listener" pkg="roscpp_tutorials" type="listener" launch-prefix="bash -c 'sleep $(arg node_start_delay); $0 $@' " />