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 output for 'h5ls -v tdatareg.h5'
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Opened "tdatareg.h5" with sec2 driver.
Dataset1                 Dataset {4/4}
    Location:  0:1:0:1284
    Links:     1
    Modified:  XXXX-XX-XX XX:XX:XX XXX
    Storage:   information not available
    Type:      dataset region reference
Dataset2                 Dataset {10/10, 10/10}
    Location:  0:1:0:744
    Links:     1
    Modified:  XXXX-XX-XX XX:XX:XX XXX
    Storage:   100 logical bytes, 100 allocated bytes, 100.00% utilization
    Type:      native unsigned char