.zshrc

#-----------------------------------------------
# screen の下のラインに打ったコマンドを表示
#-----------------------------------------------
if [ "$TERM" = "screen" ]; then
    chpwd () { echo -n "^[_`dirs`^[\\" }
    preexec() {
        # see [zsh-workers:13180]
        # http://www.zsh.org/mla/workers/2000/msg03993.html
        emulate -L zsh
        local -a cmd; cmd=(${(z)2})
        case $cmd[1] in
            fg)
                if (( $#cmd == 1 )); then
                    cmd=(builtin jobs -l %+)
                    else
                    cmd=(builtin jobs -l $cmd[2])
                    fi
                ;;
            %*)
                cmd=(builtin jobs -l $cmd[1])
                ;;
            cd)
                if (( $#cmd == 2)); then
                    cmd[1]=$cmd[2]
                    fi
                ;&
            *)
                echo -n "^[k$cmd[1]:t^[\\"
                return
                ;;
        esac

        local -A jt; jt=(${(kv)jobtexts})

        $cmd >>(read num rest
            cmd=(${(z)${(e):-\$jt$num}})
            echo -n "^[k$cmd[1]:t^[\\") 2>/dev/null
    }
    chpwd
fi