Scripts I wrote that I use all the time
evanhahn.com/scripts-i-wrote-that-i-use-all-the-time
What Jamie wrote
I love this collection that Hahn has put together and shared with the world. He has identified a bunch of use cases I have never even considered. You can also read this just to get a feel for how customizable Unix command lines are. You really can create your own tooling to make it do exactly what you want to do.