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grep for ROS bag files and live topics

Project description

grep for ROS bag files and live topics.

Searches through ROS messages and matches any message field value by regular expression patterns or plain text, regardless of field type. Can also look for specific values in specific message fields only.

By default, matches are printed to console. Additionally, matches can be written to a bagfile, or published to live topics.

Supports both ROS1 and ROS2. ROS environment variables need to be set.

Grepping from or publishing to ROS1 live topics requires ROS master to be running.

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