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  1. or download this
    print("Hello World")
    
  2. or download this
    @rem =('
    @echo off
    ...
    print "Hello World from perl\n";
    __END__
    :end
    
  3. or download this
    $ echo echo Hi > hi
    $ chmod +x hi
    ...
    $ cat hi
    echo Hi
    $
    
  4. or download this
    $ cat foo.pl
    #!/bin/bash
    ...
    $ perl foo.pl
    Hello World from Bash
    $