annotate scripts/strings/strcat.m @ 7016:93c65f2a5668

[project @ 2007-10-12 06:40:56 by jwe]
author jwe
date Fri, 12 Oct 2007 06:41:26 +0000
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children a1dbe9d80eee
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1 ## Copyright (C) 1996, 1997, 2006 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} {} strcat (@var{s1}, @var{s2}, @dots{})
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21 ## Return a string containing all the arguments concatenated. For example,
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22 ##
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23 ## @example
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24 ## @group
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25 ## s = [ "ab"; "cde" ];
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26 ## strcat (s, s, s)
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27 ## @result{} "ab ab ab "
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28 ## "cdecdecde"
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29 ## @end group
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30 ## @end example
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31 ## @end deftypefn
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33 ## Author: jwe
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34
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35 function st = strcat (varargin)
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37 if (nargin < 1)
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38 print_usage ();
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39 elseif (! iscellstr (varargin))
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40 error ("strcat: all arguments must be strings");
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41 endif
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42
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43 unwind_protect
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44 tmp = warning ("query", "Octave:empty-list-elements");
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45 warning ("off", "Octave:empty-list-elements");
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46 st = [varargin{:}];
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47 unwind_protect_cleanup
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48 warning (tmp.state, "Octave:empty-list-elements");
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49 end_unwind_protect
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50
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51 endfunction
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52
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53 ## test the dimensionality
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54 ## 1d
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55 %!assert(strcat("ab ", "ab "), "ab ab ")
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56 ## 2d
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57 %!assert(strcat(["ab ";"cde"], ["ab ";"cde"]), ["ab ab ";"cdecde"])