[williamcotton]

Would this be something along those lines?

https://github.com/williamcotton/guish

It's a GUI for constructing and executing Unix pipelines and it shows the output of each step in the pipeline.

[dhosek]

I’d been thinking more just typing the commands into a terminal window on the big screen, but something like this could be really helpful for seeing the intermediate steps.

[derrida]

woah that looks nice!