u won't run into any problem if u have done the following as given in installation instructions page http://www.ros.org/wiki/ROS/Installation/Ubuntu/SVN"You'll need to configure your environment to enable the tutorials, just like you did with the ROS installation. The command below will automatically load the environment variables in your bash shell:
echo "source ~/ros-tutorials/setup.sh" >> ~/.bashrc
. ~/.bashrcIf you just want to change the environment of your current shell, you can type:
source ~/ros-tutorials/setup.sh"
if u still have problem then just check that the last line of .bashrc
file has "source ~/ros-tutorials/setup.sh"
and just make sure that ~/ros-tutorials/setup.sh file has the following
"export ROS_PACKAGE_PATH=/home/yourhomefolder/ros-tutorials/ros_tutorials:/home/yourhomefolder/ros-tutorials/ros_pkg_tutorials"
where yourhomefolder is your login name.
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