Attention: Answers.ros.org is deprecated as of August the 11th, 2023. Please visit robotics.stackexchange.com to ask a new question. This site will remain online in read-only mode during the transition and into the foreseeable future. Selected questions and answers have been migrated, and redirects have been put in place to direct users to the corresponding questions on Robotics Stack Exchange. Additional details are available here.

Revision history [back]

In order for your shell to run a command and use it's output as part of the command for the shell, you need to use backticks (`), not regular quotes ('). So your command line should probably be:

rosrun gazebo_ros spawn_model -file `rospack find val_description`/model/robots/valkyrie_sim.urdf -urdf -z 1 -model valkyrie

ROS Answers is licensed under Creative Commons Attribution 3.0 Content on this site is licensed under a Creative Commons Attribution Share Alike 3.0 license.