I found this while seeing how I could get around cd being a built-in and implement directory changing for a nice feature of a CLI tool that I'm writing. This s

I found this while seeing how I could get around cd being a built-in and implement directory changing for a nice feature of a CLI tool that I'm writing. This showed me you can you just have to hook your existing shell and do some fun things, but it's a little outside of the amount of work I'm looking to do right now for a minor feature for my CLI, but I thought it was cool and it works with many different shells so thought I'd share it here.