Author here: Often I have to digest log files and lists of Azure resource names. I prefer to work with hierarchies of things, so I wrote this simple filter. Turns out to quite handy, especially when combined with awk and its friends.
May I suggest the name txtree?
(Really I just want `tree` on `s3`. There's `s3-tree` but that uses the entire bucket rather than a prefix)
Have you found any solutions for grepping on matching lines? Presumably, one could use awk, but awk takes a lot of cycles.