The moving fuzzy file explorer powered by fzf

fexp2

#!/bin/bash
# A simple script to make fzf a fuzzy-file explorer

old_folder=$(pwd)
cur_folder="$old_folder"
while true
do
    ret=$(fd -t d --color=always \
                | fzf --no-height \
                    --bind 'ctrl-h:abort+execute(echo "ACTION=LEFT")','ctrl-l:abort+execute(echo "ACTION=RIGHT" {})','alt-enter:abort+execute(echo "ACTION=EXIT" {})' \
                    --preview-window=right:50% --preview 'tree-git-ignore -L 2 -C {}')
    code=$?
    re='^ACTION=.*'
    action=$([[ $ret =~ $re ]] && (echo $ret | cut -d ' ' -f 1 | cut -d = -f 2))
    folder=$([[ $ret =~ $re ]] && (echo $ret | cut -d ' ' -f 2-) || echo $ret)

    case $action in
        LEFT)
            cd ..
            cur_folder=$(pwd)
            cur_folder=$(test "$cur_folder" = '/' && echo '' || echo "$cur_folder")
            ;;
        RIGHT)
            cd "$cur_folder/$folder"
            cur_folder=$(pwd)
            ;;
        EXIT)
            echo "$cur_folder/$folder"
            break
            ;;
        *)
            test $code -eq 130 && echo "$old_folder" || echo "$cur_folder/$folder"
            break
            ;;
    esac
done