What if the backend is not CGI ? What if I want to use a script to gzip the output of a backend that doesn't compress anything ? Of course you can just call tha

What if the backend is not CGI ? What if I want to use a script to gzip the output of a backend that doesn't compress anything ? Of course you can just call that backend through HTTP, but then you add another huge dependency on your little script that should just be as simple as "gzip -c -"