websocketd is a command-line tool that will expose your CLI apps via a WebSocket.
This demonstration creates a minimalistic file browser web application, that dynamically updates according to changes in your file system.
Fetch the websocketd binary according to it's documentation.
./websocketd --port=8080 --staticdir=. ./directator.sh $(pwd)
This will list files (and folders) in your current working directory.
Access the application at 'http://localhost:8080/directator.html'.