if ($opt_d) {
  configtest();
} elsif ($opt_i) {
  configurator("i", $perms_config_file, $dir_tree, \&wanted_ia);
} elsif ($opt_a) {
  configurator("a", $perms_config_file, $add_tree, \&wanted_ia);
} elsif ($opt_t) {
  configtest();
  fulltest();
} elsif ($opt_c) {
  configtest();
  changeperms();  # or whatever this actually does
}