if (verbose >= 2) fprintf (stderr, "%s\n", cmd);
r = system (cmd);
if (r == -1 || WEXITSTATUS (r) != 0)
error (EXIT_FAILURE, 0,
if (verbose >= 2) fprintf (stderr, "%s\n", cmd);
r = system (cmd);
if (r == -1 || WEXITSTATUS (r) != 0)
error (EXIT_FAILURE, 0,