rcljava_utils

rostopic_java

rostopic_java is a command-line tool for printing information about ROS2 Topics.
Commands:
    rostopic_java echo   print messages to screen
    rostopic_java find   find topics by type
    rostopic_java hz     display publishing rate of topic
    rostopic_java list   list active topics
    rostopic_java pub    publish data to topic
    rostopic_java type   print topic type
Type rostopic_java <command> -h for more detailed usage, e.g. 'rostopic echo -h'

List active topics

rostopic_java list

Print topic type

rostopic_java type /topic

Find topics by type

rostopic_java find msgs/Message

Print messages to screen

rostopic_java echo /topic msgs/Message

Publish data to topic

rostopic_java pub /topic msgs/Message '{message}'