--- /dev/null
+/* PSPP - computes sample statistics.
+ Copyright (C) 1997-9, 2000 Free Software Foundation, Inc.
+ Written by Ben Pfaff <blp@gnu.org>.
+
+ This program is free software; you can redistribute it and/or
+ modify it under the terms of the GNU General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ 02110-1301, USA. */
+
+#include <config.h>
+#include "message.h"
+#include <stdio.h>
+#include "command.h"
+#include "dictionary.h"
+#include "message.h"
+#include "lexer.h"
+#include "str.h"
+#include "variable.h"
+
+#include "gettext.h"
+#define _(msgid) gettext (msgid)
+
+int
+cmd_weight (void)
+{
+ if (lex_match_id ("OFF"))
+ dict_set_weight (default_dict, NULL);
+ else
+ {
+ struct variable *v;
+
+ lex_match (T_BY);
+ v = parse_variable ();
+ if (!v)
+ return CMD_CASCADING_FAILURE;
+ if (v->type == ALPHA)
+ {
+ msg (SE, _("The weighting variable must be numeric."));
+ return CMD_CASCADING_FAILURE;
+ }
+ if (dict_class_from_id (v->name) == DC_SCRATCH)
+ {
+ msg (SE, _("The weighting variable may not be scratch."));
+ return CMD_CASCADING_FAILURE;
+ }
+
+ dict_set_weight (default_dict, v);
+ }
+
+ return lex_end_of_command ();
+}