Get the data from file*.

        Keyword argument:
            n -- number of data to be retrieved (default 1).
                 Must be greater than 0.

        Return:
            A list of raw data.

        *This method changes file.tell value.

def raw(self, n=1):
        """Get the data from file*.

        Keyword argument:
            n -- number of data to be retrieved (default 1).
                 Must be greater than 0.

        Return:
            A list of raw data.

        *This method changes file.tell value.
        """
        size = self.__strct.size  # struct size
        dataset = list()          # list of raw data

        try:
            # For n times...
            for _ in range(n):
                data = self.__file.read(size)  # get raw data from file
                dataset.append(data)           # save raw data in the list
        finally:
            return dataset