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strcat.m: Matlab compatibility, with cstrcat.m replacing conventional strcat.m.
author Ben Abbott <bpabbott@mac.com>
date Thu, 28 Feb 2008 02:41:19 -0500
parents scripts/strings/strcat.m@ddcf233d765b
children 502e58a0d44f
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 ## Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2002, 2003,
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2 ## 2005, 2006, 2007 John W. Eaton
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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} {} cstrcat (@var{s1}, @var{s2}, @dots{})
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22 ## Return a string containing all the arguments concatenated. For example,
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23 ##
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24 ## @example
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25 ## @group
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26 ## s = [ "ab"; "cde" ];
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27 ## cstrcat (s, s, s)
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28 ## @result{} "ab ab ab "
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29 ## "cdecdecde"
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30 ## @end group
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31 ## @end example
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32 ## @end deftypefn
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33
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34 ## Author: jwe
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35
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36 function st = cstrcat (varargin)
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38 if (nargin > 0)
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39
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40 if (iscellstr (varargin))
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41 ## All arguments are character strings.
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42 unwind_protect
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43 tmp = warning ("query", "Octave:empty-list-elements");
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44 warning ("off", "Octave:empty-list-elements");
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45 st = [varargin{:}];
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46 unwind_protect_cleanup
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47 warning (tmp.state, "Octave:empty-list-elements");
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48 end_unwind_protect
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49 else
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50 error ("cstrcat: expecting arguments to character strings");
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51 endif
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52 else
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53 print_usage ();
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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 ## test the dimensionality
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59 ## 1d
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60 %!assert(cstrcat("ab ", "ab "), "ab ab ")
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61 ## 2d
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62 %!assert(cstrcat(["ab ";"cde"], ["ab ";"cde"]), ["ab ab ";"cdecde"])
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64 %!assert((strcmp (cstrcat ("foo", "bar"), "foobar")
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65 %! && strcmp (cstrcat (["a"; "bb"], ["foo"; "bar"]), ["a foo"; "bbbar"])));
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66
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67 %!error cstrcat ();
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69 %!error cstrcat (1, 2);
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