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

Untabify .m scripts
author Rik <code@nomad.inbox5.com>
date Fri, 23 Apr 2010 11:28:50 -0700
parents f22bbc5d56e9
children d1978e7364ad
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John W. Eaton <jwe@octave.org>
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1 ## Copyright (C) 2007, 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 {Command} {} what
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21 ## @deftypefnx {Command} {} what @var{dir}
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22 ## @deftypefnx {Function File} {w =} what (@var{dir})
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23 ## List the Octave specific files in a directory. If the variable @var{dir}
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24 ## is given then check that directory rather than the current directory. If
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25 ## a return argument is requested, the files found are returned in the
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26 ## structure @var{w}.
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27 ## @seealso{which}
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28 ## @end deftypefn
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29
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30 function ret = what (d)
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31
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32 if (nargin == 0)
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33 d = pwd ();
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34 elseif (isempty (strfind (d, filesep ())))
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35 ## Find the appropriate directory on the path.
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36 p = strtrim (strsplit (path (), pathsep()));
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37 d = p{find (cellfun (@(x) ! isempty (strfind (x, d)), p))(end)};
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38 else
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39 [status, msg, msgid] = fileattrib (d);
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40 if (status != 1)
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41 error ("could not find the file or path %s", d);
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42 else
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43 d = msg.Name;
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44 endif
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45 endif
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46
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47 files = dir (d);
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48 w.path = d;
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49 w.m = cell (0, 1);
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50 w.mex = cell (0, 1);
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51 w.oct = cell (0, 1);
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52 w.mat = cell (0, 1);
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53 w.mdl = cell (0, 1);
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54 w.p = cell (0, 1);
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55 w.classes = cell (0, 1);
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56
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57 for i = 1 : length (files)
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58 n = files(i).name;
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59 ## Ignore . and ..
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60 if (strcmp (n, ".") || strcmp (n, ".."))
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61 continue;
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62 else
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63 ## Ignore mdl and p files
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64 [dummy, f, e] = fileparts (n);
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65 if (strcmp (e, ".m"))
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66 w.m{end+1} = n;
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67 elseif (strcmp (e, mexext ()))
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68 w.mex{end+1} = n;
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69 elseif (strcmp (e, ".oct"))
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70 w.oct{end+1} = n;
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71 elseif (strcmp (e, ".mat"))
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72 w.mat{end+1} = n;
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73 elseif(strcmp (n(1), "@"))
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74 w.classes{end+1} = n;
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75 endif
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76 endif
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77 endfor
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78
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79 if (nargout == 0)
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80 __display_filenames__ ("M-files in directory", w.path, w.m);
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81 __display_filenames__ ("\nMEX-files in directory", w.path, w.mex);
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82 __display_filenames__ ("\nOCT-files in directory", w.path, w.oct);
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83 __display_filenames__ ("\nMAT-files in directory", w.path, w.mat);
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84 __display_filenames__ ("\nClasses in directory", w.path, w.classes);
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85 else
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86 ret = w;
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87 endif
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88 endfunction
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89
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90 function __display_filenames__ (msg, p, f)
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91 if (length (f) > 0)
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92 printf ("%s %s:\n\n", msg, p)
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93
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94 maxlen = max (cellfun (@(x) length (x), f));
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95 ncols = max (1, floor (terminal_size()(2) / (maxlen + 3)));
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96 fmt = "";
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97 for i = 1: ncols
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98 fmt = sprintf ("%s %%-%ds", fmt, maxlen);
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99 endfor
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100 fmt = [fmt, "\n"];
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101
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102 nrows = ceil (length (f) / ncols);
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103 for i = 1 : nrows
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104 args = f(i:nrows:end);
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105 if (length (args) < ncols)
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106 args(end : ncols) = {""};
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107 endif
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108 printf (fmt, args{:});
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109 endfor
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110 endif
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111 endfunction