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I use a similar tool in Emacs called piper https://gitlab.com/howardabrams/emacs-piper

And here's the EmacsConf video for those interested: https://www.youtube.com/watch?v=HKJMDJ4i-XI

I didn't manage to grasp it from quickly skimming the video and the gifs: is it possible to retry a command in piper until I find the right combination of flags, and only then press `|` to push it to the buffer? Ideally, keeping the incomplete command visible for editing all the time? Also, can I get back to older contents of the buffer, i.e. a couple `|`s back? If yes, that might be basically what I wanted up to be from the beginning.

Piper looks amazing, shame its not on a package repo.

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