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]

Hi!

With this you only reduce the likelihood of things going wrong. A better solution in my opinion would be to add --wait to the roslaunch commands as documented here: http://wiki.ros.org/roslaunch/Commandline%20Tools#Launch_syntax

This way roslaunch will wait until it detects a roscore (as configured per ROS_MASTER_URI) and you avoid the less clean "sleep solution".

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.