A very basic finger server for plan9/9front.
Copy the script in $user/bin/rc.
aux/listen1 -tv tcp!*!79 /usr/$user/bin/rc/finge.rc &
Edit the script, adapt the values of nouser and scripts. nouser is the path of the .plan that will be rendered when your domain is queried.
If a rc script with the queried name is available in your scripts directory it will be rendered.
For example if you add a hello.rc you can finger
Note that usernames have precedence over scripts names.