[ros-users] ROS_MASTER_URI from inside .launch file

[Ken Conley]

No, you cannot set the master URI in the roslaunch file.

 - Ken

On Tue, Aug 24, 2010 at 3:06 PM, Ivan Dryanovski
<ivan.dryanovski at gmail.com> wrote:
> Hi,
>
> Is it possible to set the ROS_MASTER_URI variable from inside a launch file?
>
> I tried this:
>
> <env name="ROS_MASTER_URI" value="http://strange:11311"/>
>
> But it doesn't seem to have any effect, as seen in the output:
>
> ------------------------------------------------------------------------------
> roslaunch pelican_launch gmapping.launch
>
> ... logging to /home/idryanov/.ros/log/7061568a-afcb-11df-a5c2-0026f288bc39/roslaunch-idryanov-desktop-10047.log
> Checking log directory for disk usage. This may take awhile.
> Press Ctrl-C to interrupt
> Done checking log file disk usage. Usage is <1GB.
>
> started roslaunch server http://idryanov-desktop:42454/
>
> SUMMARY
> ========
>
> PARAMETERS
>  * /slam_gmapping/llsamplestep
>  ...
>  * /slam_gmapping/linearUpdate
>
> NODES
>  /
>    laser_ortho_projector (laser_ortho_projector/laser_ortho_projector)
>    slam_gmapping (gmapping/slam_gmapping)
>
> starting new master (master configured for auto start)
> process[master]: started with pid [10061]
> ROS_MASTER_URI=http://idryanov-desktop:11311/
>
> setting /run_id to 7061568a-afcb-11df-a5c2-0026f288bc39
> ------------------------------------------------------------------------------
>
> Thanks,
>
> Ivan Dryanovski
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