1 /* PSPP - computes sample statistics.
2 Copyright (C) 2006 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., 51 Franklin Street, Fifth Floor, Boston, MA
24 #include <data/dictionary.h>
25 #include <data/procedure.h>
26 #include <language/command.h>
27 #include <language/lexer/variable-parser.h>
28 #include <libpspp/message.h>
31 #define _(msgid) gettext (msgid)
33 /* Performs DELETE VARIABLES command. */
35 cmd_delete_variables (struct lexer *lexer, struct dataset *ds)
37 struct variable **vars;
40 if (proc_make_temporary_transformations_permanent (ds))
41 msg (SE, _("DELETE VARIABLES may not be used after TEMPORARY. "
42 "Temporary transformations will be made permanent."));
44 if (!parse_variables (lexer, dataset_dict (ds), &vars, &var_cnt,
47 if (var_cnt == dict_get_var_cnt (dataset_dict (ds)))
49 msg (SE, _("DELETE VARIABLES may not be used to delete all variables "
50 "from the active file dictionary. Use NEW FILE instead."));
54 if (!procedure (ds, NULL, NULL))
57 dict_delete_vars (dataset_dict (ds), vars, var_cnt);
64 return CMD_CASCADING_FAILURE;