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annotate scripts/miscellaneous/fileparts.m @ 10549:95c3e38098bf

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Untabify .m scripts
author Rik <code@nomad.inbox5.com>
date Fri, 23 Apr 2010 11:28:50 -0700
parents eb63fbe60fab
children 1740012184f9
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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eb63fbe60fab update copyright notices
John W. Eaton <jwe@octave.org>
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1 ## Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009 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 ds = strchr (filename, filesep ("all"), 1, "last");
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31 if (isempty (ds))
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32 ds = 0;
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33 endif
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34 es = rindex (filename, ".");
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35 ## These can be the same if they are both 0 (no dir or ext).
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36 if (es <= ds)
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37 es = length(filename)+1;
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38 endif
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39 if (ds == 0)
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40 directory = "";
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41 elseif (ds == 1)
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42 directory = filename(1);
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43 else
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44 directory = filename(1:ds-1);
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45 endif
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46 name = filename(ds+1:es-1);
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47 if (es > 0 && es <= length (filename))
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48 extension = filename(es:end);
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49 else
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50 extension = "";
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51 endif
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52 version = "";
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53 else
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54 error ("fileparts: expecting filename argument to be a string");
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55 endif
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56 else
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57 print_usage ();
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58 endif
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59
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60 endfunction
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61
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62 %!test
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63 %! [d, n, e] = fileparts ("file");
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64 %! assert (strcmp (d, "") && strcmp (n, "file") && strcmp (e, ""));
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66 %!test
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67 %! [d, n, e] = fileparts ("file.ext");
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68 %! assert (strcmp (d, "") && strcmp (n, "file") && strcmp (e, ".ext"));
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70 %!test
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71 %! [d, n, e] = fileparts ("/file.ext");
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72 %! assert (strcmp (d, "/") && strcmp (n, "file") && strcmp (e, ".ext"));
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74 %!test
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75 %! [d, n, e] = fileparts ("dir/file.ext");
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76 %! assert (strcmp (d, "dir") && strcmp (n, "file") && strcmp (e, ".ext"));
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78 %!test
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79 %! [d, n, e] = fileparts ("./file.ext");
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80 %! assert (strcmp (d, ".") && strcmp (n, "file") && strcmp (e, ".ext"));
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82 %!test
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83 %! [d, n, e] = fileparts ("d1/d2/file.ext");
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84 %! assert (strcmp (d, "d1/d2") && strcmp (n, "file") && strcmp (e, ".ext"));
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86 %!test
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87 %! [d, n, e] = fileparts ("/d1/d2/file.ext");
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88 %! assert (strcmp (d, "/d1/d2") && strcmp (n, "file") && strcmp (e, ".ext"));
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89
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90 %!test
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91 %! [d, n, e] = fileparts ("/.ext");
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92 %! assert (strcmp (d, "/") && strcmp (n, char (zeros (1, 0))) && strcmp (e, ".ext"));
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94 %!test
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95 %! [d, n, e] = fileparts (".ext");
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96 %! assert (strcmp (d, "") && strcmp (n, char (zeros (1, 0))) && strcmp (e, ".ext"));