print("Hello World")

##</code><code>##

@rem =('
@echo off
echo Hello World from a plain old DOS batch file
goto end
');
print "Hello World from perl\n";
__END__
:end

##</code><code>##

$ echo echo Hi > hi
$ chmod +x hi
$ ./hi
Hi
$ cat hi
echo Hi
$

##</code><code>##

$ cat foo.pl
#!/bin/bash
echo Hello World from Bash
$ perl foo.pl
Hello World from Bash
$