+/* PSPP - computes sample statistics.
+ Copyright (C) 2007 Free Software Foundation, Inc.
+
+ 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 <language/command.h>
+#include <libpspp/message.h>
+#include <errno.h>
+#include <language/lexer/lexer.h>
+#include <unistd.h>
+
+#include "gettext.h"
+#define _(msgid) gettext (msgid)
+
+/* Parses the CD command. */
+int
+cmd_cd (struct lexer *lexer, struct dataset *ds UNUSED)
+{
+ char *path = 0;
+
+ if ( ! lex_force_string (lexer))
+ goto error;
+
+ path = ds_xstrdup (lex_tokstr (lexer));
+
+ if ( -1 == chdir (path) )
+ {
+ int err = errno;
+ msg (SE, _("Cannot change directory to %s: %s "), path,
+ strerror (errno));
+ goto error;
+ }
+
+ free (path);
+
+ return CMD_SUCCESS;
+
+ error:
+
+ free(path);
+
+ return CMD_FAILURE;
+}
+