def load_and_save_raw(self, parent_level="CellpyData"):
        """Loads the cellpy or raw-data file(s) and saves to csv"""
        sep = prms.Reader["sep"]
        if self.use_cellpy_stat_file is None:
            use_cellpy_stat_file = prms.Reader.use_cellpy_stat_file
        else:
            use_cellpy_stat_file = self.use_cellpy_stat_file
        logger.debug(f"b.load_and_save_raw: "
                     f"use_cellpy_stat_file = {use_cellpy_stat_file}")
        self.frames, self.keys, errors = read_and_save_data(
            self.info_df,
            self.raw_dir,
            sep=sep,
            force_raw=self.force_raw_file,
            force_cellpy=self.force_cellpy_file,
            export_cycles=self.export_cycles,
            shifted_cycles=self.shifted_cycles,
            export_raw=self.export_raw,
            export_ica=self.export_ica,
            save=self.save_cellpy_file,
            use_cellpy_stat_file=use_cellpy_stat_file,
            parent_level=parent_level,
            last_cycle=self.last_cycle
        )
        logger.debug("loaded and saved data. errors:" + str(errors))
Loads the cellpy or raw-data file(s) and saves to csv