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annotate scripts/miscellaneous/gzip.m @ 8920:eb63fbe60fab

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update copyright notices
author John W. Eaton <jwe@octave.org>
date Sat, 07 Mar 2009 10:41:27 -0500
parents 34b9a5743388
children 1bf0ce0930be
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John W. Eaton <jwe@octave.org>
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1 ## Copyright (C) 2007, 2008, 2009 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 files are not touched. Existing compressed
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25 ## files are silently overwritten. If @var{outdir} is defined the compressed
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26 ## versions of the files are placed in this directory.
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27 ## @seealso{gunzip, bzip2, zip, tar}
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28 ## @end deftypefn
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29
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30 function entries = gzip (varargin)
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31 if (nargin == 1 || nargin == 2) && (nargout <= 1)
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32 if nargout == 0
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33 __xzip__ ("gzip", "gz", "gzip -r %s", varargin{:});
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34 else
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35 entries = __xzip__ ("gzip", "gz", "gzip -r %s", varargin{:});
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36 endif
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37 else
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38 print_usage ();
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39 endif
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40 endfunction
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41
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42 %!error <Invalid call to gzip. Correct usage is> gzip("1", "2", "3");
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43 %!error <Invalid call to gzip. Correct usage is> gzip();
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44 %!error <output directory does not exist> gzip("1", tmpnam);
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45 %!error <expecting FILES to be a character array> gzip(1);
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46 %!xtest
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47 %! # test gzip together with gunzip
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48 %! unwind_protect
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49 %! filename = tmpnam;
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50 %! dummy = 1;
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51 %! save(filename, "dummy");
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52 %! dirname = tmpnam;
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53 %! mkdir(dirname);
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54 %! entry = gzip(filename, dirname);
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55 %! [path, basename, extension] = fileparts(filename);
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56 %! if ! strcmp(entry, [dirname, filesep, basename, extension, ".gz"])
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57 %! error("gzipped file does not match expected name!");
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58 %! endif
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59 %! if ! exist(entry, "file")
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60 %! error("gzipped file cannot be found!");
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61 %! endif
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62 %! gunzip(entry);
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63 %! if (system(sprintf("diff %s %s%c%s%s", filename, dirname, filesep,
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64 %! basename, extension)))
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65 %! error("unzipped file not equal to original file!");
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66 %! end
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67 %! unwind_protect_cleanup
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68 %! delete(filename);
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69 %! delete([dirname, filesep, basename, extension]);
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70 %! rmdir(dirname);
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71 %! end_unwind_protect