--- /dev/null
+/* print the hexadecimal identifier for the current host
+ Copyright (C) 1997 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, 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+
+/* Written by Jim Meyering. */
+
+#include <config.h>
+#include <stdio.h>
+#include <sys/types.h>
+#if HAVE_UNISTD_H
+# include <unistd.h>
+#endif
+
+#include "system.h"
+#include "long-options.h"
+#include "error.h"
+
+/* The name this program was run with, for error messages. */
+char *program_name;
+
+static void
+usage (int status)
+{
+ if (status != 0)
+ fprintf (stderr, _("Try `%s --help' for more information.\n"),
+ program_name);
+ else
+ {
+ printf (_("Usage: %s [-v]\n"), program_name);
+ printf (_("\
+Print the identifier for the current host.\n\
+\n\
+ --help display this help and exit\n\
+ --version output version information and exit\n\
+\n\
+"));
+ puts (_("\nReport bugs to <sh-utils-bugs@gnu.ai.mit.edu>."));
+ }
+ exit (status);
+}
+
+int
+main (int argc, char **argv)
+{
+ long int id;
+
+ program_name = argv[0];
+ setlocale (LC_ALL, "");
+ bindtextdomain (PACKAGE, LOCALEDIR);
+ textdomain (PACKAGE);
+
+ parse_long_options (argc, argv, "hostid", GNU_PACKAGE, VERSION, usage);
+
+ if (argc > 1)
+ {
+ error (0, 0, _("too many arguments"));
+ usage (1);
+ }
+
+ id = gethostid ();
+ printf ("%lx\n", id);
+
+ if (fclose (stdout) == EOF)
+ error (EXIT_FAILURE, errno, _("write error"));
+
+ exit (EXIT_SUCCESS);
+}