point it at a directory and it'll serve up all its text files, sub-directories, and binary files over gopher. `any .gph` files will be served up as [gopermaps](https://en.wikipedia.org/wiki/Gopher_(protocol)#Source_code_of_a_menu), and executable `.gph` files will be run with their output served to the client, like cgi!
any line in a `.gph` file that doesn't contain tabs (`\t`) and doesn't start with an `i` will get an `i` automatically prefixed, turning it into a gopher information item.
any `.gph` file that is marked **executable** with be run as if it were a shell script and its output will be sent to the client. it will be passed three arguments: the query string (if any, the host, and the port. do with them what you will.