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[Question] Which shell prompt do you use and why?
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this post was submitted on 21 Oct 2023
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There are two usability tweaks that I would find it hard to live without: (1) red prompt on last-command failure, and (2) highlight what I type, dehighlight output:
Reason for 1 is obvious, 2 is more subtle: it helps my eye scan scrollback and identify what I've typed, which is what I'm scanning for 90% of the time.
Implementations vary, here's how I do it in zsh:
PS1='%(?.%K{cyan}%F{white}.%B%K{red}%F{white})XX%b%k%f %(?.%F{cyan}.%F{red})yyy%k%b%F{yellow}%(!.#.$)%f '. Duplication is evil, but AFAIK necessary because the conditional (error check) is%(?and I highlight both parts of my two-part prompt. Suggestions welcome for removing the duplication.zle_highlight=("default:fg=white")(on a Solarized Dark term, where the default fg color is light gray. Adjust to fit your needs).Thanks for your detailed explanation! It's minimal, yet it looks very well usable.