Function main

src/paste.c:490–555

}

int
main (int argc, char **argv)
{
  int optc;
  char const *delim_arg = "\t";

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

  atexit (close_stdout);

  while ((optc = getopt_long (argc, argv, "d:sz", longopts, NULL)) != -1)
    {
      switch (optc)
        {
        case 'd':
          /* Delimiter character(s). */
          delim_arg = (optarg[0] == '\0' ? "\\0" : optarg);
          break;

        case 's':
          serial_merge = true;
          break;

        case 'z':
          line_delim = '\0';
          break;

        case_GETOPT_HELP_CHAR;

        case_GETOPT_VERSION_CHAR (PROGRAM_NAME, AUTHORS);

        default:
          usage (EXIT_FAILURE);
        }
    }

  int nfiles = argc - optind;
  if (nfiles == 0)
    {
      argv[optind] = bad_cast ("-");
      nfiles++;
    }

  if (collapse_escapes (delim_arg))
    {
      /* Don't use the quote() quoting style, because that would double the
         number of displayed backslashes, making the diagnostic look bogus.  */
      error (EXIT_FAILURE, 0,
             _("delimiter list ends with an unescaped backslash: %s"),
             quotearg_n_style_colon (0, c_maybe_quoting_style, delim_arg));
    }

  bool ok = ((serial_merge ? paste_serial : paste_parallel)
             (nfiles, &argv[optind]));