Function: uudecode-decode-region-external

uudecode-decode-region-external is an autoloaded, interactive and byte-compiled function defined in uudecode.el.gz.

Signature

(uudecode-decode-region-external START END &optional FILE-NAME)

Documentation

Uudecode region between START and END using external program.

If FILE-NAME is non-nil, save the result to FILE-NAME. The program used is specified by uudecode-decoder-program.

Key Bindings

Source Code

;; Defined in /usr/src/emacs/lisp/mail/uudecode.el.gz
;;;###autoload
(defun uudecode-decode-region-external (start end &optional file-name)
  "Uudecode region between START and END using external program.
If FILE-NAME is non-nil, save the result to FILE-NAME.  The program
used is specified by `uudecode-decoder-program'."
  (interactive "r\nP")
  (let ((cbuf (current-buffer)) tempfile firstline)
    (save-excursion
      (goto-char start)
      (when (re-search-forward uudecode-begin-line nil t)
	(forward-line 1)
	(setq firstline (point))
	(cond ((null file-name))
	      ((stringp file-name))
	      (t
	       (setq file-name (read-file-name "File to Name:"
					       nil nil nil
					       (match-string 1)))))
	(setq tempfile (if file-name
			   (expand-file-name file-name)
			 (make-temp-file "uu")))
	(let ((cdir default-directory)
	      (default-process-coding-system nil))
	  (unwind-protect
	      (with-temp-buffer
		(insert "begin 600 " (file-name-nondirectory tempfile) "\n")
		(insert-buffer-substring cbuf firstline end)
		(cd (file-name-directory tempfile))
		(apply #'call-process-region
		       (point-min)
		       (point-max)
		       uudecode-decoder-program
		       nil
		       nil
		       nil
		       uudecode-decoder-switches))
	    (cd cdir) (set-buffer cbuf)))
	(if (file-exists-p tempfile)
	    (unless file-name
	      (goto-char start)
	      (delete-region start end)
	      (let (format-alist)
		(insert-file-contents-literally tempfile)))
	  (message "Can not uudecode")))
      (ignore-errors (or file-name (delete-file tempfile))))))