Function: shell-process-popd
shell-process-popd is a byte-compiled function defined in shell.el.gz.
Signature
(shell-process-popd ARG)
Source Code
;; Defined in /usr/src/emacs/lisp/shell.el.gz
;; popd [+n]
(defun shell-process-popd (arg)
(let ((num (or (shell-extract-num arg) 0)))
(cond ((and num (= num 0) shell-dirstack)
(shell-cd (shell-prefixed-directory-name (car shell-dirstack)))
(setq shell-dirstack (cdr shell-dirstack))
(shell-dirstack-message))
((and num (> num 0) (<= num (length shell-dirstack)))
(let* ((ds (cons nil shell-dirstack))
(cell (nthcdr (1- num) ds)))
(rplacd cell (cdr (cdr cell)))
(setq shell-dirstack (cdr ds))
(shell-dirstack-message)))
(t
(error "Couldn't popd")))))