def _prt_read_msg(self, prt, fin_txt, exclude_ungrouped):
        """Print which file was read and the number of GO IDs found."""
        if self.sections_seen or exclude_ungrouped:
            # dat = Grouper.get_summary_data(self.section2goids.items(), HdrgosSections.secdflt)
            dat = SummarySec2dHdrGos().summarize_sec2hdrgos(self.section2goids.items())
            sys.stdout.write(Grouper.fmtsum.format(
                GO_DESC='hdr', SECs=len(dat['S']), GOs=len(dat['G']),
                UNGRP="N/A", undesc="unused", ACTION="READ: ", FILE=fin_txt))
        elif self.goids_fin:
            prt.write("  {G} GO IDs READ: {FIN}\n".format(G=len(self.goids_fin), FIN=fin_txt))
Print which file was read and the number of GO IDs found.