Small aliases to get along with Emacs buffer.

.zaliases

## Invoke the ``dired'' of current working directory in Emacs buffer.
function dired () {
  emacsclient -e "(dired \"${1:a}\")"
}

## Chdir to the ``default-directory'' of currently opened in Emacs buffer.
function cde () {
    EMACS_CWD=`emacsclient -e "
     (expand-file-name
      (with-current-buffer (e2wm:current-buffer) default-directory))" | sed 's/^"\(.*\)"$/\1/'`

    echo "chdir to $EMACS_CWD"
    cd "$EMACS_CWD"
}

e2wm-cde.el

(defun e2wm:current-buffer ()
  (cond
   ((e2wm:managed-p)
    (e2wm:history-get-main-buffer))
   ((featurep 'elscreen)
    (let* ((frame-confs (elscreen-get-frame-confs (selected-frame)))
           (num (nth 1 (assoc 'screen-history frame-confs)))
           (cur-window-conf (cadr (assoc num (assoc 'screen-property frame-confs))))
           (marker (nth 2 cur-window-conf)))
      (marker-buffer marker)))
   (t 
    (nth 1
         (assoc 'buffer-list
                (nth 1 (nth 1 (current-frame-configuration))))))))

さらに e2wm のフレームでもOKの版。