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1 ## Copyright (C) 1996, 1997 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 2, or (at your option) |
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8 ## 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, write to the Free |
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17 ## Software Foundation, 59 Temple Place - Suite 330, Boston, MA |
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18 ## 02111-1307, USA. |
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19 |
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20 ## -*- texinfo -*- |
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21 ## @deftypefn {Function File} {} strcat (@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 ## strcat (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 = strcat (s, t, ...) |
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37 |
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38 if (nargin > 1) |
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39 save_empty_list_elements_ok = empty_list_elements_ok; |
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40 unwind_protect |
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41 empty_list_elements_ok = 1; |
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42 if (isstr (s) && isstr (t)) |
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43 tmpst = [s, t]; |
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44 else |
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45 error ("strcat: all arguments must be strings"); |
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46 endif |
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47 n = nargin - 2; |
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48 while (n--) |
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49 tmp = va_arg (); |
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50 if (isstr (tmp)) |
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51 tmpst = [tmpst, tmp]; |
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52 else |
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53 error ("strcat: all arguments must be strings"); |
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54 endif |
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55 endwhile |
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56 unwind_protect_cleanup |
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57 empty_list_elements_ok = save_empty_list_elements_ok; |
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58 end_unwind_protect |
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59 else |
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60 usage ("strcat (s, t, ...)"); |
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61 endif |
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62 |
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63 st = tmpst; |
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64 |
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65 endfunction |
