1 /* PSPP - computes sample statistics.
2 Copyright (C) 1997-9, 2000 Free Software Foundation, Inc.
3 Written by Ben Pfaff <blp@gnu.org>.
5 This program is free software; you can redistribute it and/or
6 modify it under the terms of the GNU General Public License as
7 published by the Free Software Foundation; either version 2 of the
8 License, or (at your option) any later version.
10 This program is distributed in the hope that it will be useful, but
11 WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
31 /* The code for this function is very similar to the code for the
32 RENAME subcommand of MODIFY VARS. */
34 cmd_rename_variables (void)
36 struct variable **rename_vars = NULL;
37 char **rename_new_names = NULL;
41 int status = CMD_FAILURE;
47 msg (SE, _("RENAME VARS may not be used after TEMPORARY. "
48 "Temporary transformations will be made permanent."));
52 lex_match_id ("RENAME");
53 lex_match_id ("VARIABLES");
57 int prev_nv_1 = rename_cnt;
58 int prev_nv_2 = rename_cnt;
62 msg (SE, _("`(' expected."));
65 if (!parse_variables (default_dict, &rename_vars, &rename_cnt,
66 PV_APPEND | PV_NO_DUPLICATE))
70 msg (SE, _("`=' expected between lists of new and old variable names."));
73 if (!parse_DATA_LIST_vars (&rename_new_names, &prev_nv_1, PV_APPEND))
75 if (prev_nv_1 != rename_cnt)
77 msg (SE, _("Differing number of variables in old name list "
78 "(%d) and in new name list (%d)."),
79 rename_cnt - prev_nv_2, prev_nv_1 - prev_nv_2);
80 for (i = 0; i < prev_nv_1; i++)
81 free (rename_new_names[i]);
82 free (rename_new_names);
83 rename_new_names = NULL;
88 msg (SE, _("`)' expected after variable names."));
94 if (!dict_rename_vars (default_dict,
95 rename_vars, rename_new_names, rename_cnt,
98 msg (SE, _("Renaming would duplicate variable name %s."), err_name);
102 status = CMD_SUCCESS;
106 if (rename_new_names != NULL)
108 for (i = 0; i < rename_cnt; i++)
109 free (rename_new_names[i]);
110 free (rename_new_names);