rate_dataset::acquire

Source: dataset/rate/rate_dataset__acquire.pro

 rate_dataset::acquire
        The data-reading controller for rates datasets.

 Usage:
        iok = dsref -> acquire()

 History:
        Original: 17/12/99; SJT
        Removed idfref arguments to specific acquirers: 6/3/00; SJT
        Add Uleis call: 16/5/00; SJT
        Add UDS call: 4/7/00; SJT
        Move flag settings to prevent problems if a stream cannot be
        read at all: 17/5/01; SJT