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why to use source devel/setup.bash

catkin

asked 2017-01-04 23:04:27 -0500

Waleed_Shahzaib
49 ●7 ●11 ●15

I did not understand the functionality of sourcing a setup.bash file

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answered 2017-01-05 00:56:25 -0500

rbbg
1823 ●6 ●18 ●26

updated 2017-01-05 09:14:39 -0500

By sourcing your setup.bash file, you are adding several environment variables that ROS needs in order to work. Some more information can be found in these related questions:

what does source command actually do

whats the meaning of the command source ...

Hope that clears things up a bit.