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What will happen if a 'roscore' has already been run when I run a launch file?

asked 2014-11-19 09:26:24 -0600

somebodyus
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What will happen if a roscore has already been run when I run a launch file? Does the roslaunch override the old roscore?

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answered 2014-11-19 09:36:01 -0600

gvdhoorn
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updated 2014-11-19 09:36:33 -0600

Nothing spectacular: roslaunch will detect that a roscore instance is already running and use that (instead of starting a new one).

From the roscore wiki page:

NOTE: If you use roslaunch, it will automatically start roscore if it detects that it is not already running.

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Asked: 2014-11-19 09:26:24 -0600

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Last updated: Nov 19 '14

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