cat  20181019_065743/EndOfTracking_phase_space.dat 20181019_065751/EndOfTracking_phase_space.dat  20181019_065802/EndOfTracking_phase_space.dat 20181019_065939/EndOfTracking_phase_space.dat  20181019_070011/EndOfTracking_phase_space.dat  20181019_070554/EndOfTracking_phase_space.dat  20181019_070609/EndOfTracking_phase_space.dat  20181019_071540/EndOfTracking_phase_space.dat  20181019_071554/EndOfTracking_phase_space.dat  > EndOfTracking_phase_space.dat