[alsetmusic]

> One thing that could be challenging is figuring out how to access the stdout/stderr contents for a program that was previously run.

What luck that I still had this on my to-do list after seeing a couple of posts that coincide with this notion the other day:

https://news.ycombinator.com/item?id=45682219 https://news.ycombinator.com/item?id=45679839

TLDR: capture output for reuse / run commands on output without regenerating it.