fishshell Goblin Mode

goblin.fish

function goblin-mode --on-event fish_postexec
    path is -rd /usr/share/fortune; and read -lz all <(random choice (string match -v '*.dat' -- /usr/share/fortune/*))
    and random choice (string split \n%\n -- $all)
    for var in (set -n | string match 'fish_*color*')
        set -g $var (random choice (set_color -c | string match -v black))
    end
    fish_config prompt choose (random choice (fish_config prompt list))
end