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'emulate' or actually run ping?
If the latter: see #q272267.
Running regular (ie: non-ROS) binaries from roslaunch is possible, but requires some special care.
The example there is with Python, but a simple bash script should also work.
With the assistance of your answer, I made a small python script and put that in the launch file. Thank you!
ICMP ping, you can also run rosping node from your launch.For xmlrpc ping in ROS network level, in rosnode Python API there are some methods, e.g. rosnode_ping. In the simplest form you can run a command like:
python -c "import rosnode; rosnode.rosnode_ping('/rosout', verbose=True)"
@AmateurHour: this is a good suggestion and was actually why I asked:
'emulate' or actually run
ping?
Asked: 2018-06-26 16:26:11 -0500
Seen: 352 times
Last updated: Sep 15 '18
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