def printH5(h5):
    """
    Print info about HDF5 data set (requires h5py)

    Parameters
    ----------
    h5
        HDF5 Dataset loaded with h5py
    """
    print('------ ', h5.filename, ' ------')
    ks = h5.keys()
    for key in ks:
        print(h5[key])
    for item in h5.attrs.keys():
        print(item + ':', h5.attrs[item])
