Using nix and nushell for reproducible scripts

So in ham radio, we have the concept of QSL cards. These are postcards that we physically mail to each other in order to confirm we've made contact. This practice has mostly moved to electronic means of doing the same thing. This can be done via a website like Logbook of the World or qrz.com . There are also folks that send what are called eqsl cards via email. A while back I received one of these…