def dtest_full_multiple_empty_and_full_files(self):
        cmd = (fq_pgm, self.empty_fqfn, self.in_fqfn, self.out_fqfn) % "%s %s %s -o %s -r 10 -d'|'"
        r   = envoy.run(cmd)
        out_recs  = []
        for rec in fileinput.input(self.out_fqfn):
            out_recs.append(rec)
        fileinput.close()

        assert len(out_recs) == 4
        assert out_recs[0].strip().startswith('field_0')
        assert out_recs[0].strip().endswith('10')
dataset/ETHPy150Open kenfar/DataGristle/scripts/tests/test_gristle_viewer_cmd.py/TestCommandLine.dtest_full_multiple_empty_and_full_files/swapped operands of `%`