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I believe you will have to write your own tool. It should be quite easy with the rosbag python api. I have small scripts for time filtering and merging and of bag files and they are all quite straight forward.

I believe you will have to write your own tool. It should be quite easy with the rosbag python api. I have small scripts for time filtering and merging and of bag files and they are all quite straight forward.

Edit: Here are the scripts. The time filtering is actually just a hacky invocation of a rosbag filter, but the merge script is gerneral purpose and you can even select only wanted topics with wildcards.

https://gist.github.com/NikolausDemmel/8944211

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