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1 ## Copyright (C) 1996 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 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} {} str2mat (@var{s_1}, @dots{}, @var{s_n}) |
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22 ## Return a matrix containing the strings @var{s_1}, @dots{}, @var{s_n} as |
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23 ## its rows. Each string is padded with blanks in order to form a valid |
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24 ## matrix. |
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25 ## |
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26 ## @strong{Note:} |
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27 ## This function is modelled after @sc{Matlab}. In Octave, you can create |
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28 ## a matrix of strings by @code{[@var{s_1}; @dots{}; @var{s_n}]} even if |
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29 ## the strings are not all the same length. |
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30 ## @end deftypefn |
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31 |
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32 ## Author: Kurt Hornik <Kurt.Hornik@ci.tuwien.ac.at> |
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33 ## Adapted-By: jwe |
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34 |
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35 function retval = str2mat (varargin) |
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36 |
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37 if (nargin == 0) |
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38 usage ("str2mat (s1, ...)"); |
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39 endif |
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40 |
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41 nc = 0; |
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42 nr = 0; |
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43 |
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44 nr = zeros (nargin, 1); |
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45 nc = zeros (nargin, 1); |
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46 for k = 1 : nargin |
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47 s = varargin{k}; |
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48 if (! isstr (s)) |
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49 s = setstr (s); |
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50 endif |
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51 [nr(k), nc(k)] = size (s); |
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52 endfor |
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53 |
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54 tmp = find (nr == 0); |
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55 |
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56 if (! isempty (tmp)) |
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57 nr(tmp) = 1; |
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58 endif |
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59 |
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60 retval_nr = sum (nr); |
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61 retval_nc = max (nc); |
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62 |
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63 retval = setstr (ones (retval_nr, retval_nc) * toascii (" ")); |
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64 |
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65 row_offset = 0; |
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66 for k = 1 : nargin |
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67 s = varargin{k}; |
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68 if (! isstr (s)) |
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69 s = setstr (s); |
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70 endif |
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71 if (nc(k) > 0) |
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72 retval ((row_offset + 1) : (row_offset + nr(k)), 1:nc(k)) = s; |
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73 endif |
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74 row_offset = row_offset + nr(k); |
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75 endfor |
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76 |
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77 endfunction |
