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1 ## Copyright (C) 2007 David Bateman |
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2 ## |
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3 ## This file is part of Octave. |
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4 ## |
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5 ## Octave is free software; you can redistribute it and/or modify it |
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6 ## under the terms of the GNU General Public License as published by |
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7 ## the Free Software Foundation; either version 3 of the License, or (at |
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8 ## your option) any later version. |
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9 ## |
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10 ## Octave is distributed in the hope that it will be useful, but |
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11 ## WITHOUT ANY WARRANTY; without even the implied warranty of |
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12 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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13 ## General Public License for more details. |
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14 ## |
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15 ## You should have received a copy of the GNU General Public License |
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16 ## along with Octave; see the file COPYING. If not, see |
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17 ## <http://www.gnu.org/licenses/>. |
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18 |
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19 ## -*- texinfo -*- |
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20 ## @deftypefn {Function File} {@var{entries} =} gzip (@var{files}) |
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21 ## @deftypefnx {Function File} {@var{entries} =} gzip (@var{files}, @var{outdir}) |
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22 ## Compress the list of files and/or directories specified in @var{files}. |
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23 ## Each file is compressed separately and a new file with a '.gz' extension |
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24 ## is created. The original file is not touched. If @var{rootdir} is defined |
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25 ## the compressed versions of the files are placed in this directory. |
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26 ## @seealso{gunzip, zip, tar} |
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27 ## @end deftypefn |
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28 |
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29 function entries = gzip (files, outdir) |
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30 |
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31 if (nargin == 1 || nargin == 2) |
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32 |
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33 if (nargin == 2 && ! exist (outdir, "dir")) |
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34 error ("gzip: output directory does not exist"); |
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35 endif |
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36 |
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37 if (ischar (files)) |
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38 files = cellstr (files); |
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39 endif |
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40 |
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41 if (nargin == 1) |
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42 outdir = tmpnam (); |
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43 mkdir (outdir); |
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44 endif |
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45 |
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46 cwd = pwd(); |
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47 unwind_protect |
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48 if (iscellstr (files)) |
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49 files = glob (files); |
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50 |
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51 ## Ignore any file with a .gz extension |
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52 files (cellfun (@(x) strcmp (x(end-2:end), ".gz"), files)) = []; |
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53 |
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54 copyfile (files, outdir); |
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55 [d, f] = myfileparts(files); |
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56 cd (outdir); |
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57 |
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58 cmd = sprintf ("gzip -r %s", sprintf (" %s", f{:})); |
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59 |
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60 [status, output] = system (cmd); |
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61 |
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62 if (status == 0) |
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63 |
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64 if (nargin == 2) |
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65 gzfiles = cellfun(@(x) fullfile (outdir, sprintf ("%s.gz", x)), ... |
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66 f, "UniformOutput", false); |
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67 else |
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68 movefile (cellfun(@(x) sprintf ("%s.gz", x), f, ... |
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69 "UniformOutput", false), cwd); |
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70 gzfiles = cellfun(@(x) sprintf ("%s.gz", x), ... |
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71 files, "UniformOutput", false); |
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72 endif |
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73 |
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74 if (nargout > 0) |
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75 entries = gzfiles; |
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76 endif |
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77 else |
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78 error ("gzip: failed with exit status = %d", status); |
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79 endif |
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80 |
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81 else |
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82 error ("gzip: expecting all arguments to be character strings"); |
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83 endif |
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84 unwind_protect_cleanup |
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85 cd(cwd); |
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86 if (nargin == 1) |
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87 crr = confirm_recursive_rmdir (); |
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88 unwind_protect |
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89 confirm_recursive_rmdir (false); |
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90 rmdir (outdir, "s"); |
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91 unwind_protect_cleanup |
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92 confirm_recursive_rmdir (crr); |
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93 end_unwind_protect |
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94 endif |
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95 end_unwind_protect |
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96 else |
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97 print_usage (); |
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98 endif |
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99 |
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100 endfunction |
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101 |
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102 function [d, f] = myfileparts (x) |
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103 [d, f, ext] = cellfun (@(x) fileparts (x), x, "UniformOutput", false); |
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104 f = cellfun (@(x, y) sprintf ("%s%s", x, y), f, ext, ... |
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105 "UniformOutput", false); |
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106 idx = cellfun (@(x) isdir (x), x); |
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107 d(idx) = ""; |
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108 f(idx) = x(idx); |
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109 endfunction |
