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maint: Update copyright notices for release.
author John W. Eaton <jwe@octave.org>
date Wed, 23 Oct 2013 22:09:27 -0400
parents bc924baa2c4e
children 4197fc428c7d
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d63878346099 maint: Update copyright notices for release.
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1 ## Copyright (C) 1996-2013 Kurt Hornik
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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} {} rindex (@var{s}, @var{t})
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21 ## Return the position of the last occurrence of the character string
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22 ## @var{t} in the character string @var{s}, or 0 if no occurrence is
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23 ## found. @var{s} may also be a string array or cell array of strings.
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24 ##
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25 ## For example:
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26 ##
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27 ## @example
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28 ## @group
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29 ## rindex ("Teststring", "t")
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30 ## @result{} 6
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31 ## @end group
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32 ## @end example
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33 ##
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34 ## The @code{rindex} function is equivalent to @code{index} with
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35 ## @var{direction} set to @qcode{"last"}.
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36 ##
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37 ## @seealso{find, index}
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38 ## @end deftypefn
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39
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40 ## Author: Kurt Hornik <Kurt.Hornik@wu-wien.ac.at>
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41 ## Adapted-By: jwe
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42 ## This is patterned after the AWK function of the same name.
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43
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44 function n = rindex (s, t)
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46 if (nargin != 2)
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47 print_usage ();
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48 endif
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50 n = index (s, t, "last");
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51
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52 endfunction
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55 %!assert (rindex ("foobarbaz", "b"), 7)
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56 %!assert (rindex ("foobarbaz", "o"), 3)
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57
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58 %!test
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59 %! str = char ("Hello", "World", "Goodbye", "World");
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60 %! assert (rindex (str, "o"), [5; 2; 3; 2]);
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61 %! str = cellstr (str);
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62 %! assert (rindex (str, "o"), [5; 2; 3; 2]);
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64 %% Test input validation
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65 %!error rindex ()
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66 %!error rindex ("foo")
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67 %!error rindex ("foo", "bar", "last")
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