comparison lisp/efs/dired-uu.el @ 22:8fc7fe29b841 r19-15b94

Import from CVS: tag r19-15b94
author cvs
date Mon, 13 Aug 2007 08:50:29 +0200
parents
children 7e54bd776075 9f59509498e1
comparison
equal deleted inserted replaced
21:b88636d63495 22:8fc7fe29b841
1 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
2 ;;
3 ;; File: dired-uu.el
4 ;; Dired Version: $Revision: 1.1 $
5 ;; RCS:
6 ;; Description: Commands for uuencoding/uudecoding marked files.
7 ;; Author: Sandy Rutherford <sandy@math.ubc.ca>
8 ;;
9 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
10
11 ;;; Requirements and provisions
12 (provide 'dired-uu)
13 (require 'dired)
14
15 (defvar dired-uu-files-to-decode nil)
16 ;; Fluid var to pass data inside dired-create-files.
17
18 (defun dired-uucode-file (file ok-flag)
19 ;; uuencode or uudecode FILE.
20 ;; Don't really support the ok-flag, but needed for compatibility
21 (let ((handler (find-file-name-handler file 'dired-uucode-file)))
22 (cond (handler
23 (funcall handler 'dired-uucode-file file ok-flag))
24 ((or (file-symlink-p file) (file-directory-p file))
25 nil)
26 (t
27 (if (assoc file dired-uu-files-to-decode)
28 (let ((default-directory (file-name-directory file)))
29 (if (dired-check-process
30 (concat "Uudecoding " file) shell-file-name "-c"
31 (format "uudecode %s" file))
32 (signal 'file-error (list "Error uudecoding" file))))
33 (let ((nfile (concat file ".uu")))
34 (if (dired-check-process
35 (concat "Uuencoding " file) shell-file-name "-c"
36 (format "uuencode %s %s > %s"
37 file (file-name-nondirectory file) nfile))
38 (signal 'file-error (list "Error uuencoding" file)))))))))
39
40 (defun dired-uucode-out-file (file)
41 ;; Returns the name of the output file for the uuencoded FILE.
42 (let ((buff (get-buffer-create " *dired-check-process output*"))
43 (case-fold-search t))
44 (save-excursion
45 (set-buffer buff)
46 (erase-buffer)
47 (if (string-equal "18." (substring emacs-version 0 3))
48 (call-process "head" file buff nil "-n" "1")
49 (insert-file-contents file nil 0 80))
50 (goto-char (point-min))
51 (if (looking-at "begin [0-9]+ \\([^\n]*\\)\n")
52 (expand-file-name
53 (buffer-substring (match-beginning 1) (match-end 1))
54 (file-name-directory file))
55 nil))))
56
57 (defun dired-do-uucode (&optional arg files to-decode)
58 "Uuencode or uudecode marked (or next ARG) files."
59 (interactive
60 (let* ((dir (dired-current-directory))
61 (files (dired-get-marked-files nil current-prefix-arg))
62 (arg (prefix-numeric-value current-prefix-arg))
63 (total (length files))
64 rfiles decoders ofile decode encode hint-p)
65 (mapcar
66 (function
67 (lambda (fn)
68 (if (setq ofile (dired-uucode-out-file fn))
69 (setq decoders (cons (cons fn ofile) decoders)))))
70 files)
71 (setq decode (length decoders)
72 encode (- total decode)
73 hint-p (not (or (zerop decode) (zerop encode))))
74 (setq rfiles
75 (mapcar
76 (function
77 (lambda (fn)
78 (if hint-p
79 (concat
80 (if (assoc fn decoders) " [de] " " [en] ")
81 (dired-make-relative fn dir t))
82 (dired-make-relative fn dir t))))
83 files))
84 (or (memq 'uuencode dired-no-confirm)
85 (dired-mark-pop-up nil 'uuencode rfiles 'y-or-n-p
86 (cond
87 ((null decoders)
88 (if (= encode 1)
89 (format "Uuencode %s? " (car rfiles))
90 (format "Uuencode %d file%s? "
91 encode (dired-plural-s encode))))
92 ((zerop encode)
93 (if (= decode 1)
94 (format "Uudecode %s? " (car rfiles))
95 (format "Uudecode %d file%s? "
96 decode (dired-plural-s decode))))
97 (t
98 (format "Uudecode %d and uuencode %d file%s? "
99 decode encode (dired-plural-s encode)))))
100 (setq arg 0))
101 (list arg files decoders)))
102 (let ((dired-uu-files-to-decode to-decode)
103 out-file)
104 (if (not (zerop arg))
105 (dired-create-files
106 'dired-uucode-file
107 "Uuencode or Uudecode"
108 files
109 (function
110 (lambda (fn)
111 (if (setq out-file (assoc fn dired-uu-files-to-decode))
112 (cdr out-file)
113 (concat fn ".uu"))))
114 dired-keep-marker-uucode nil t))))
115
116 ;;; end of dired-uu.el