fzf menu to start/attach a tmux session

zshrc_end.sh

if [[ -z $TMUX ]]; then
    new_session_token='START NEW SESSION'
    no_session='DO NOT START TMUX'

    choice=$( (echo $new_session_token; echo $no_session; tmux ls) | fzf | cut -d':' -f 1)

    case "$choice" in
        "$new_session_token")
            tmux new-session
            exit
            ;;
        "$no_session")
            ;;
        *)
            tmux att -t $choice
            exit
        ;;
    esac
fi