/usr/share/mrpt/datasets/srba-demos/ is in mrpt-apps 1:1.0.2-1ubuntu1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/mrpt/datasets/srba-demos/README.txt
/usr/share/mrpt/datasets/srba-demos/run_demo_tutorials_monoSLAM.sh
/usr/share/mrpt/datasets/srba-demos/run_demo_world-2d-30k-rel-graph-slam.sh
/usr/share/mrpt/datasets/srba-demos/tutorials_dataset-cartesian-3d.cfg
/usr/share/mrpt/datasets/srba-demos/tutorials_dataset-cartesian.cfg
/usr/share/mrpt/datasets/srba-demos/tutorials_dataset-monocular.cfg
/usr/share/mrpt/datasets/srba-demos/tutorials_dataset-range-bearing-2d.cfg
/usr/share/mrpt/datasets/srba-demos/tutorials_dataset-range-bearing-3d.cfg
/usr/share/mrpt/datasets/srba-demos/tutorials_dataset-stereo-2d.cfg
/usr/share/mrpt/datasets/srba-demos/tutorials_dataset-stereo-3d.cfg
/usr/share/mrpt/datasets/srba-demos/world-2d-30k-landmarks.cfg
/usr/share/mrpt/datasets/srba-demos/world-2d-30k-landmarks.wrl
/usr/share/mrpt/datasets/srba-demos/world-2d-30k-rel-graph-slam.cfg
/usr/share/mrpt/datasets/srba-demos/world-rooms-2d.rwl
/usr/share/mrpt/datasets/srba-demos/world-rooms-3d.rwl