Hello.bat:#!/bin/sh
Hello.bat|echo "Hello World!"
Binary file Hello.class matches
Hello.java:import java.lang.*;
Hello.java:public class Hello // prints a Hello World! greeting
Hello.java|{ public static void main(String[] arg)
Hello.java:  { System.out.println("Hello World!");
Binary file Hello.pdf matches
Hello.sh:#!/bin/sh
Hello.sh|echo "Hello World!"