Load fish shell function descriptions on shell start for tab completions. Add to config.fish

fish-function-descriptions.md

# Load fish shell function descriptions on shell start. Add to `config.fish`.
function describe_functions --description "Load function descriptions for tab completions"
    set -f output ""
    for file in $fish_function_path/*.fish
        set -f cmd (basename $file .fish)
        set -f desc (functions -Dv $cmd)[5]
        set -a output "`$cmd`: $desc"
    end
    printf '%s\n' $output | sort -d
end
describe_functions 2&>/dev/null

Repo: fish-files