ROS Resources: Documentation | Support | Discussion Forum | Index | Service Status | ros @ Robotics Stack Exchange
Ask Your Question

Revision history [back]

click to hide/show revision 1
initial version

if and unless can be used on any tag, not just group, so you should be able to achieve what you want with something like:

<remap if="$(your_condition)" .. />

See also wiki/roslaunch/XML - If and unless attributes:

All tags support if and unless attributes, which include or exclude a tag based on the evaluation of a value [..]

(emphasis mine).