+reg_get_name (const struct dictionary *dict, char name[LONG_NAME_LEN],
+ const char prefix[LONG_NAME_LEN])
+{
+ int i = 1;
+
+ snprintf (name, LONG_NAME_LEN, "%s%d", prefix, i);
+ while (!try_name (dict, name))
+ {
+ i++;
+ snprintf (name, LONG_NAME_LEN, "%s%d", prefix, i);
+ }
+}
+
+static void
+reg_save_var (struct dataset *ds, const char *prefix, trns_proc_func * f,
+ pspp_linreg_cache * c, struct variable **v, int n_trns)
+{
+ struct dictionary *dict = dataset_dict (ds);
+ static int trns_index = 1;
+ char name[LONG_NAME_LEN];
+ struct variable *new_var;
+ struct reg_trns *t = NULL;
+
+ t = xmalloc (sizeof (*t));
+ t->trns_id = trns_index;
+ t->n_trns = n_trns;
+ t->c = c;
+ reg_get_name (dict, name, prefix);
+ new_var = dict_create_var (dict, name, 0);
+ assert (new_var != NULL);
+ *v = new_var;
+ add_transformation (ds, f, regression_trns_free, t);
+ trns_index++;
+}
+
+static void
+subcommand_save (struct dataset *ds, int save, pspp_linreg_cache ** models)