Function main

src/seq.c:549–704

}

int
main (int argc, char **argv)
{
  /* The printf(3) format used for output.  */
  char const *format_str = NULL;

  initialize_main (&argc, &argv);
  set_program_name (argv[0]);
  locale_ok = !!setlocale (LC_ALL, "");
  bindtextdomain (PACKAGE, LOCALEDIR);
  textdomain (PACKAGE);

  atexit (close_stdout);

  /* We have to handle negative numbers in the command line but this
     conflicts with the command line arguments.  So explicitly check first
     whether the next argument looks like a negative number.  */
  while (optind < argc)
    {
      int optc;
      if (argv[optind][0] == '-'
          && ((optc = argv[optind][1]) == '.' || c_isdigit (optc)))
        {
          /* means negative number */
          break;
        }

      optc = getopt_long (argc, argv, "+f:s:w", long_options, NULL);
      if (optc == -1)
        break;

      switch (optc)
        {
        case 'f':
          format_str = optarg;
          break;

        case 's':
          separator = optarg;
          break;

        case 'w':
          equal_width = true;
          break;

        case_GETOPT_HELP_CHAR;

        case_GETOPT_VERSION_CHAR (PROGRAM_NAME, AUTHORS);

        default:
          usage (EXIT_FAILURE);
        }
    }

  int n_args = argc - optind;
  if (n_args < 1)
    {
      error (0, 0, _("missing operand"));