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annotate scripts/miscellaneous/fileparts.m @ 11933:205f10f5cbe8 release-3-0-x

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more fixes to fileparts.m tests
author Jaroslav Hajek <highegg@gmail.com>
date Sat, 14 Feb 2009 21:15:23 +0100
parents 8d1427a14f45
children
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1 ## Copyright (C) 2003, 2004, 2005, 2006, 2007 John W. Eaton
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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{dir}, @var{name}, @var{ext}, @var{ver}] =} fileparts (@var{filename})
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21 ## Return the directory, name, extension, and version components of
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22 ## @var{filename}.
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23 ## @seealso{fullfile}
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24 ## @end deftypefn
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25
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26 function [directory, name, extension, version] = fileparts (filename)
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27
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28 if (nargin == 1)
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29 if (ischar (filename))
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30 if !( findstr (octave_config_info('canonical_host_type'), 'msvc') || findstr (octave_config_info('canonical_host_type'), 'mingw') )
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31 ds = rindex (filename, filesep);
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32 else
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33 ds = max (rindex (filename, "\\"),rindex (filename, "/"));
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34 endif
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35 es = rindex (filename, ".");
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36 ## These can be the same if they are both 0 (no dir or ext).
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37 if (es <= ds)
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38 es = length(filename)+1;
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39 endif
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40 if (ds == 0)
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41 directory = "";
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42 elseif (ds == 1)
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43 directory = filename(1);
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44 else
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45 directory = filename(1:ds-1);
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46 endif
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47 name = filename(ds+1:es-1);
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48 if (es > 0 && es <= length (filename))
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49 extension = filename(es:end);
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50 else
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51 extension = "";
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52 endif
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53 version = "";
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54 else
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55 error ("fileparts: expecting filename argument to be a string");
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56 endif
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57 else
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58 print_usage ();
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59 endif
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60
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61 endfunction
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62
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63 %!test
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64 %! [d, n, e] = fileparts ("file");
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65 %! assert (strcmp (d, "") && strcmp (n, "file") && strcmp (e, ""));
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67 %!test
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68 %! [d, n, e] = fileparts ("file.ext");
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69 %! assert (strcmp (d, "") && strcmp (n, "file") && strcmp (e, ".ext"));
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71 %!test
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72 %! [d, n, e] = fileparts ([filesep "file.ext"]);
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73 %! assert (strcmp (d, filesep) && strcmp (n, "file") && strcmp (e, ".ext"));
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75 %!test
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76 %! [d, n, e] = fileparts (["dir" filesep "file.ext"]);
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77 %! assert (strcmp (d, "dir") && strcmp (n, "file") && strcmp (e, ".ext"));
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79 %!test
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80 %! [d, n, e] = fileparts (["." filesep "file.ext"]);
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81 %! assert (strcmp (d, ".") && strcmp (n, "file") && strcmp (e, ".ext"));
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82
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83 %!test
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84 %! [d, n, e] = fileparts (["d1" filesep "d2" filesep "file.ext"]);
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85 %! assert (strcmp (d, ["d1" filesep "d2"]) && strcmp (n, "file") && strcmp (e, ".ext"));
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87 %!test
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88 %! [d, n, e] = fileparts ([filesep "d1" filesep "d2" filesep "file.ext"]);
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89 %! assert (strcmp (d, [filesep "d1" filesep "d2"]) && strcmp (n, "file") && strcmp (e, ".ext"));
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91 %!test
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92 %! [d, n, e] = fileparts ([filesep ".ext"]);
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93 %! assert (strcmp (d, filesep) && strcmp (n, char (zeros (1, 0))) && strcmp (e, ".ext"));
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95 %!test
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96 %! [d, n, e] = fileparts (".ext");
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97 %! assert (strcmp (d, "") && strcmp (n, char (zeros (1, 0))) && strcmp (e, ".ext"));