Function main

src/cut.c:1276–1456

}

int
main (int argc, char **argv)
{
  int optc;
  bool ok;
  bool delim_specified = false;
  bool whitespace_delimited_specified = false;
  char *spec_list_string = NULL;

  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, "b:c:d:f:F:nO:szw", longopts, NULL))
         != -1)
    {
      switch (optc)
        {
        case 'b':
          cut_mode = CUT_MODE_BYTES;
          FALLTHROUGH;
        case 'c':
          if (optc == 'c')
            cut_mode = CUT_MODE_CHARACTERS;
          FALLTHROUGH;
        case 'f':
        case 'F':
          if (optc == 'f' || optc == 'F')
            cut_mode = CUT_MODE_FIELDS;
          if (optc == 'F')
            {
              whitespace_delimited = true;
              space_output_delimiter_default = true;
            }
          if (spec_list_string)
            FATAL_ERROR (_("only one list may be specified"));
          spec_list_string = optarg;
          break;

        case 'd':
          {
            /* New delimiter.  */
            /* Interpret -d '' to mean 'use the NUL byte as the delimiter.'  */
            mcel_t g = delim_mcel = mcel_scanz (optarg);
            if (optarg[0] && optarg[g.len])
              FATAL_ERROR (_("the delimiter must be a single character"));
            copy_bytes (delim_bytes, optarg, g.len);
            delim_specified = true;
            break;
          }

        case 'w':
          whitespace_delimited = true;
          whitespace_delimited_specified = true;