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1 ;;;
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2 ;;; mel-g.el: Gzip64 encoder/decoder for GNU Emacs
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3 ;;;
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4 ;;; Copyright (C) 1995,1996 MORIOKA Tomohiko
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5 ;;; Copyright (C) 1996 Shuhei KOBAYASHI
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6 ;;;
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7 ;;; Author: Shuhei KOBAYASHI <shuhei-k@jaist.ac.jp>
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8 ;;; modified by MORIOKA Tomohiko <morioka@jaist.ac.jp>
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9 ;;; Maintainer: Shuhei KOBAYASHI <shuhei-k@jaist.ac.jp>
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10 ;;; Created: 1995/10/25
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11 ;;; Version:
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12 ;;; $Id: mel-g.el,v 1.3 1997/03/04 02:29:46 steve Exp $
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13 ;;; Keywords: MIME, base64, gzip
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14 ;;;
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15 ;;; This file is not part of MEL (MIME Encoding Library) yet.
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16 ;;;
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17 ;;; This program is free software; you can redistribute it and/or
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18 ;;; modify it under the terms of the GNU General Public License as
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19 ;;; published by the Free Software Foundation; either version 2, or
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20 ;;; (at your option) any later version.
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21 ;;;
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22 ;;; This program is distributed in the hope that it will be useful,
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23 ;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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24 ;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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25 ;;; General Public License for more details.
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26 ;;;
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27 ;;; You should have received a copy of the GNU General Public License
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28 ;;; along with This program. If not, write to the Free Software
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29 ;;; Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
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30 ;;;
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31 ;;; Code:
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32
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33 (require 'emu)
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34
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35
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36 ;;; @ variables
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37 ;;;
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38
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39 (defvar gzip64-external-encoder `("sh" "-c"
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40 ,(concat
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41 "gzip -c | "
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42 (expand-file-name "mmencode"
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43 exec-directory)))
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44 "*list of gzip64 encoder program name and its arguments.")
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45
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46 (defvar gzip64-external-decoder `("sh" "-c"
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47 ,(concat
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48 (expand-file-name "mmencode"
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49 exec-directory)
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50 " -u | gzip -dc"))
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51 "*list of gzip64 decoder program name and its arguments.")
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52
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53
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54 ;;; @ encoder/decoder for region
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55 ;;;
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56
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57 (defun gzip64-external-encode-region (beg end)
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58 (interactive "*r")
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59 (save-excursion
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60 (as-binary-process (apply (function call-process-region)
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61 beg end (car gzip64-external-encoder)
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62 t t nil (cdr gzip64-external-encoder))
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63 )
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64 ;; for OS/2
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65 ;; regularize line break code
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66 (goto-char (point-min))
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67 (while (re-search-forward "\r$" nil t)
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68 (replace-match "")
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69 )
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70 ))
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71
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72 (defun gzip64-external-decode-region (beg end)
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73 (interactive "*r")
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74 (save-excursion
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75 (as-binary-process (apply (function call-process-region)
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76 beg end (car gzip64-external-decoder)
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77 t t nil (cdr gzip64-external-decoder))
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78 )
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79 ))
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80
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81 (defalias 'gzip64-encode-region 'gzip64-external-encode-region)
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82 (defalias 'gzip64-decode-region 'gzip64-external-decode-region)
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83
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84
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85 ;;; @ encoder/decoder for file
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86 ;;;
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87
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88 (defun gzip64-insert-encoded-file (filename)
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89 (interactive (list (read-file-name "Insert encoded file: ")))
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90 (apply (function call-process) (car gzip64-external-encoder)
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91 filename t nil
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92 (cdr gzip64-external-encoder))
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93 )
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94
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95
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96 ;;; @ end
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97 ;;;
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98
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99 (provide 'mel-g)
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100
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101 ;;; mel-g.el ends here.
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