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annotate scripts/path/pathdef.m @ 19830:884e0c55d92c

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Fix complex compare operation for issorted (bug #44071). * Array-C.cc (nan_ascending_compare, nan_descending_compare): Fix typo where comparison was made between x and x rather than between x and y.
author Rik <rik@octave.org>
date Mon, 26 Jan 2015 15:32:49 -0800
parents bb8d3f17248d
children 4197fc428c7d
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rev   line source
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d63878346099 maint: Update copyright notices for release.
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1 ## Copyright (C) 2005-2013 Bill Denney
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2 ## Copyright (C) 2007-2009 Ben Abbott
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3 ##
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4 ## This file is part of Octave.
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5 ##
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6 ## Octave is free software; you can redistribute it and/or modify it
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7 ## under the terms of the GNU General Public License as published by
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8 ## the Free Software Foundation; either version 3 of the License, or (at
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9 ## your option) any later version.
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10 ##
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11 ## Octave is distributed in the hope that it will be useful, but
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12 ## WITHOUT ANY WARRANTY; without even the implied warranty of
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13 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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14 ## General Public License for more details.
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15 ##
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16 ## You should have received a copy of the GNU General Public License
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17 ## along with Octave; see the file COPYING. If not, see
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18 ## <http://www.gnu.org/licenses/>.
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19
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20 ## -*- texinfo -*-
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21 ## @deftypefn {Function File} {@var{val} =} pathdef ()
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22 ## Return the default path for Octave.
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23 ##
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24 ## The path information is extracted from one of four sources.
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25 ## The possible sources, in order of preference, are:
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26 ##
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27 ## @enumerate
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28 ## @item @file{.octaverc}
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29 ##
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30 ## @item @file{~/.octaverc}
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31 ##
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32 ## @item @file{<OCTAVE_HOME>/@dots{}/<version>/m/startup/octaverc}
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33 ##
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34 ## @item Octave's path prior to changes by any octaverc file.
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35 ## @end enumerate
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36 ## @seealso{path, addpath, rmpath, genpath, savepath}
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37 ## @end deftypefn
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38
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39 function val = pathdef ()
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40
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41 if (nargin > 0)
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42 print_usage ();
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43 endif
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44
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45 ## Locate any project-specific .octaverc file.
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46 proj_octaverc = fullfile (pwd, ".octaverc");
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47 if (exist (proj_octaverc, "file"))
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48 proj_path = __extractpath__ (proj_octaverc);
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49 if (! isempty (proj_path))
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50 val = proj_path;
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51 return;
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52 endif
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53 endif
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54
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55 ## Locate the user's ~/.octaverc file.
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56 user_octaverc = fullfile ("~", ".octaverc");
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57 if (exist (user_octaverc, "file"))
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58 user_path = __extractpath__ (user_octaverc);
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59 if (! isempty (user_path))
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60 val = user_path;
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61 return;
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62 endif
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63 endif
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64
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65 ## No user octaverc file, locate the site octaverc file.
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66 pathdir = octave_config_info ("localstartupfiledir");
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67 site_octaverc = fullfile (pathdir, "octaverc");
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68 site_path = __extractpath__ (site_octaverc);
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69 if (! isempty (site_path))
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70 val = site_path;
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71 return;
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72 endif
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73
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74 ## No project, user, or site octaverc file. Use Octave's default.
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75 val = __pathorig__ ();
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76
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77 endfunction
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78
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79 ## Extact the path information from the script/function @var{file}, created by
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80 ## @file{savepath.m}. If successful, @code{__extractpath__} returns the path
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81 ## specified in @var{file}.
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82
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83 ## Author: Ben Abbott <bpabbott@mac.com>
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84
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85 function path = __extractpath__ (savefile)
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86
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87 [filelines, startline, endline] = getsavepath (savefile);
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88 if (startline > 0)
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89 tmp = regexprep (filelines(startline+1:endline-1),
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90 "^.*path \\('([^\']+)'.*$", "$1");
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91 path = strjoin (tmp, ":");
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92 else
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93 path = "";
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94 endif
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95
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96 endfunction
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97
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98
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99 ## FIXME: Need some better BIST tests
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100 %!assert (ischar (pathdef ()))
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101