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fact.m: Spelling and punctuation fixes
author Jordi Gutiérrez Hermoso <jordigh@octave.org>
date Thu, 16 Feb 2012 21:44:53 -0500
parents 72c96de7a403
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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72c96de7a403 maint: update copyright notices for 2012
John W. Eaton <jwe@octave.org>
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1 ## Copyright (C) 2004-2012 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} {} delete (@var{file})
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21 ## @deftypefnx {Function File} {} delete (@var{handle})
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22 ## Delete the named file or graphics handle.
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23 ##
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24 ## Deleting graphics objects is the proper way to remove
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25 ## features from a plot without clearing the entire figure.
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26 ## @seealso{clf, cla, unlink}
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27 ## @end deftypefn
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28
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29 ## Author: jwe
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30
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31 function delete (arg)
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32
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33 if (nargin != 1)
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34 print_usage ();
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35 endif
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36
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37 if (ischar (arg))
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38 files = glob (arg);
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39 if (isempty (files))
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40 warning ("delete: no such file: %s", arg);
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41 endif
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42 for i = 1:length (files)
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43 file = files{i};
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44 [err, msg] = unlink (file);
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45 if (err)
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46 warning ("delete: %s: %s", file, msg);
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47 endif
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48 endfor
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49 elseif (all (ishandle (arg(:))))
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50 ## Delete a graphics object.
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51 __go_delete__ (arg);
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52 else
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53 error ("delete: first argument must be a filename or graphics handle");
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54 endif
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55
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56 endfunction
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57
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58
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59 %% Test input validation
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60 %!error delete ()
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61 %!error delete (1, 2)
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62 %!error <first argument must be a filename> delete (struct ())
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