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1 ## Copyright (C) 2000 Paul Kienzle |
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2 ## Copyright (C) 2003 Alois Schloegl |
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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 2, or (at your option) |
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9 ## 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, write to the Free |
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18 ## Software Foundation, 59 Temple Place - Suite 330, Boston, MA |
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19 ## 02111-1307, USA. |
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20 |
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21 ## usage: strmatch(s, A [, 'exact']) |
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22 ## Determines which entries of A match string s. A can be a string matrix |
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23 ## or a cell array of strings. If 'exact' is not given, then s only needs |
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24 ## to match A up to the length of s. Null characters match blanks. |
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25 ## Results are returned as a column vector. |
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26 |
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27 ## Author: Paul Kienzle, Alois Schloegl |
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28 ## Adapted-by: jwe |
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29 |
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30 function idx = strmatch (s, A, exact) |
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31 |
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32 if (nargin < 2 || nargin > 3) |
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33 usage ("strmatch (s, A, \"exact\")"); |
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34 endif |
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35 |
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36 [nr, nc] = size (A); |
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37 nel = numel (A); |
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38 if (iscell (A)) |
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39 match = zeros (nel, 1); |
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40 if (nargin > 2) |
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41 for k = 1:nel |
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42 match(k) = strcmp (s, A{k}); |
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43 end |
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44 else |
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45 for k = 1:nel |
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46 match(k) = strncmp (s, A{k}, length (s)); |
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47 end |
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48 end |
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49 idx = find (match); |
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50 elseif (length (s) > nc) |
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51 idx = []; |
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52 else |
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53 if (nargin == 3 && length(s) < nc) |
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54 s(1,nc) = " "; |
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55 endif |
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56 s(s == 0) = " "; |
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57 A(A == 0) = " "; |
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58 match = s(ones(size(A,1),1),:) == A(:,1:length(s)); |
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59 if (length(s) == 1) |
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60 idx = find (match); |
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61 else |
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62 idx = find (all (match')'); |
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63 endif |
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64 endif |
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65 |
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66 endfunction |
