anchor.diff:    }
   
     Future<Iterable<Iterable<String>>> addFileSystemEntity(String name) {
  -    FileSystemEntityType type = FileSystemEntity.typeSync(name);
  +    final type = FileSystemEntity.typeSync(name);
   
       if (type == FileSystemEntityType.directory) {
         return Directory(name)
  
positive.code:       dirs = options.rest;
      }
  
      List<String> lines = [
        '!_TAG_FILE_FORMAT\t2\t/extended format; --format=1 will not append ;" to lines/',
        '!_TAG_FILE_SORTED\t1\t/0=unsorted, 1=sorted, 2=foldcase/'
      ];
  
negative.code: }
  
  void main([List<String> args]) {
    final parser = ArgParser();
    parser.addOption('output',
        abbr: 'o', help: 'Output file for tags (default: stdout)', valueHelp: 'FILE');
    parser.addFlag('follow-links',
        help: 'Follow symbolic links (default: false)', negatable: false);
    parser.addFlag('include-hidden',
  