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1 ;;; mel-u.el: uuencode encoder/decoder for GNU Emacs
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2
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3 ;; Copyright (C) 1995,1996,1997 Free Software Foundation, Inc.
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5 ;; Author: MORIOKA Tomohiko <morioka@jaist.ac.jp>
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6 ;; Created: 1995/10/25
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7 ;; Version: $Id: mel-u.el,v 1.4 1997/07/13 22:41:32 steve Exp $
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8 ;; Keywords: uuencode
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9
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10 ;; This file is part of MEL (MIME Encoding Library).
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11
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12 ;; This program is free software; you can redistribute it and/or
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13 ;; modify it under the terms of the GNU General Public License as
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14 ;; published by the Free Software Foundation; either version 2, or (at
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15 ;; your option) any later version.
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16
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17 ;; This program is distributed in the hope that it will be useful, but
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18 ;; WITHOUT ANY WARRANTY; without even the implied warranty of
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19 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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20 ;; General Public License for more details.
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21
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22 ;; You should have received a copy of the GNU General Public License
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23 ;; along with GNU Emacs; see the file COPYING. If not, write to the
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24 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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25 ;; Boston, MA 02111-1307, USA.
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26
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27 ;;; Code:
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28
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29 (require 'emu)
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30 (require 'mel)
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31
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32
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33 ;;; @ variables
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34 ;;;
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35
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36 (defvar uuencode-external-encoder '("uuencode" "-")
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37 "*list of uuencode encoder program name and its arguments.")
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38
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39 (defvar uuencode-external-decoder
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40 (list "sh" "-c" (format "(cd %s; uudecode)" mime-temp-directory))
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41 "*list of uuencode decoder program name and its arguments.")
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42
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43
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44 ;;; @ uuencode encoder/decoder for region
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45 ;;;
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46
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47 (defun uuencode-external-encode-region (start end)
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48 "Encode current region by unofficial uuencode format.
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49 This function uses external uuencode encoder which is specified by
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50 variable `uuencode-external-encoder'."
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51 (interactive "*r")
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52 (save-excursion
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53 (as-binary-process (apply (function call-process-region)
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54 start end (car uuencode-external-encoder)
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55 t t nil (cdr uuencode-external-encoder))
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56 )
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57 ;; for OS/2
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58 ;; regularize line break code
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59 (goto-char (point-min))
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60 (while (re-search-forward "\r$" nil t)
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61 (replace-match "")
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62 )
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63 ))
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64
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65 (defun uuencode-external-decode-region (start end)
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66 "Decode current region by unofficial uuencode format.
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67 This function uses external uuencode decoder which is specified by
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68 variable `uuencode-external-decoder'."
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69 (interactive "*r")
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70 (save-excursion
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71 (let ((filename (save-excursion
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72 (save-restriction
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73 (narrow-to-region start end)
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74 (goto-char start)
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75 (if (re-search-forward "^begin [0-9]+ " nil t)
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76 (if (looking-at ".+$")
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77 (buffer-substring (match-beginning 0)
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78 (match-end 0))
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79 ))))))
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80 (if filename
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81 (as-binary-process
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82 (apply (function call-process-region)
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83 start end (car uuencode-external-decoder)
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84 t nil nil (cdr uuencode-external-decoder))
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85 (setq filename (expand-file-name filename mime-temp-directory))
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86 (as-binary-input-file (insert-file-contents filename))
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87 ;; The previous line causes the buffer to be made read-only, I
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88 ;; do not pretend to understand the control flow leading to this
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89 ;; but suspect it has something to do with image-mode. -slb
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90 (setq buffer-read-only nil)
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91 (delete-file filename)
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92 ))
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93 )))
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94
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95 (defalias 'uuencode-encode-region 'uuencode-external-encode-region)
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96 (defalias 'uuencode-decode-region 'uuencode-external-decode-region)
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97
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98
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99 ;;; @ uuencode encoder/decoder for file
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100 ;;;
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101
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102 (defun uuencode-insert-encoded-file (filename)
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110
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103 "Insert file encoded by unofficial uuencode format.
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104 This function uses external uuencode encoder which is specified by
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105 variable `uuencode-external-encoder'."
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106 (interactive (list (read-file-name "Insert encoded file: ")))
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107 (call-process (car uuencode-external-encoder) filename t nil
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108 (file-name-nondirectory filename))
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109 )
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110
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111
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112 ;;; @ end
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113 ;;;
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114
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115 (provide 'mel-u)
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116
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117 ;;; mel-u.el ends here
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