h5dump points.h5 |less

h5ls -vlr points.h5

Opened "points.h5" with sec2 driver.
/                        Group
    Location:  1:96
    Links:     1
/names                   Dataset {50001/50001}
    Location:  1:1400
    Links:     1
    Storage:   1950039 logical bytes, 1950039 allocated bytes, 100.00% utilization
    Type:      39-byte null-padded ASCII string
/points                  Dataset {50001/50001, 63/63}
    Location:  1:800
    Links:     1
    Storage:   25200504 logical bytes, 25200504 allocated bytes, 100.00% utilization
    Type:      native double