netvl

    public class Test {
        public static void main(String[] args) throws Exception {
            byte[] buf = new byte[4096];
            int read;
            while ((read = System.in.read(buf)) > 0) {
                System.out.write(buf, 0, read);
            }
        }
    }

    public class Test {
        public static void main(String[] args) {
            System.in.transferTo(System.out);
        }
    }

    static <T extends Stringify> void prettyPrintPair(T x, T y)

    set file_contents (cat filename | string collect -N)