reader = casefile_get_destructive_reader (cf) ;
criteria.crits[criteria.crit_cnt - 1] = sc->crits[i];
assert ( sc->crits[i].fv == var_get_case_index (src_vars[i]) );
reader = casefile_get_destructive_reader (cf) ;
criteria.crits[criteria.crit_cnt - 1] = sc->crits[i];
assert ( sc->crits[i].fv == var_get_case_index (src_vars[i]) );