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why some launch file have extension type foo.launch.xml ?

roslaunch

asked 2015-07-25 17:57:49 -0500

prrraveen
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I am going through moveit pr2 tutorials and I see .launch.xml extension .Why do we need two extension. For example pr2_moveit_controller_manager.launch.xml

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answered 2015-07-26 01:04:51 -0500

gvdhoorn
86574 ●283 ●1432 ●1054 http://cor.tudelft.nl/

updated 2016-08-17 10:59:57 -0500

roslaunch automatically tab-completes any files with a .launch extension. In order for launch files that are mostly used as includes to not (edited) show up on those listings, they are given a second extension .xml (which they actually are).