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What is the main task of adding some directories in Bashrc file ?

asked 2018-09-24 14:37:22 -0500

gktg1514
67 ●20 ●22 ●28

I am new to robotic operating system; hence, this can be very trivial and redundant question, but I could not understand why we add the directories below to bashrc file.

source /opt/ros/indigo/setup.bash

source ~/catkin_ws/devel/setup.bash

Could anyone please explain the benefits of adding these directories to bashrc file ?

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