040000 tree 299b186bfb362d1898e22c8586b31326a303da4e	closing-the-input-stream
040000 tree 31ca818b78cad2261a08e0b5bd5877e5db9522fc	document-write
040000 tree 9be09d7632a20c7a6a26b561730facd9fde4460f	document-writeln
040000 tree a920a2c746bdf455092f08693e1df4b12ca674c4	opening-the-input-stream