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]

The rosbag tool already does basically what you ask, e.g.

rosbag record --all

It records topic data efficiently to disk, which allows you to do offline processing (using the rosbag library). Efficiency is important as it's generally not a good idea to subscribe to all topics (it creates a huge performance drain).

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.