A bare Đ (Edh) interpreter has only access to the computer's main memory , yes, nothing more. So to write Shell Scripts in Đ (Edh), you'll need a derived interpreter with batteries connected to the OS resources, thus this project.
But this repository is by far just a placeholder for the idea above, if you're actually interested to work on it, search the issues here and file one before starting your work, to avoid duplicate efforts.
Or just do whatever you want.