Hello.bat:#!/bin/sh
Hello.bat-echo "Hello World!"
Binary file Hello.class matches
Hello.java:import java.lang.*;
Hello.java:
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!");
Hello.java:  }
Hello.java:}
Binary file Hello.pdf matches
Hello.sh:#!/bin/sh
Hello.sh-echo "Hello World!"
emptyline.txt: