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1 ## Copyright (C) 2000, 2005, 2006, 2007 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 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} {} strmatch (@var{s}, @var{a}, "exact") |
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22 ## Return indices of entries of @var{a} that match the string @var{s}. |
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23 ## The second argument @var{a} may be a string matrix or a cell array of |
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24 ## strings. If the third argument @code{"exact"} is not given, then |
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25 ## @var{s} only needs to match @var{a} up to the length of @var{s}. Nul |
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26 ## characters match blanks. Results are returned as a column vector. |
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27 ## @end deftypefn |
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28 |
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29 ## Author: Paul Kienzle, Alois Schloegl |
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30 ## Adapted-by: jwe |
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31 |
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32 function idx = strmatch (s, A, exact) |
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33 |
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34 if (nargin < 2 || nargin > 3) |
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35 print_usage (); |
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36 endif |
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37 |
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38 [nr, nc] = size (A); |
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39 nel = numel (A); |
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40 if (iscell (A)) |
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41 match = zeros (nel, 1); |
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42 if (nargin > 2) |
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43 for k = 1:nel |
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44 match(k) = strcmp (s, A{k}); |
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45 endfor |
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46 else |
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47 for k = 1:nel |
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48 match(k) = strncmp (s, A{k}, length (s)); |
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49 endfor |
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50 endif |
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51 idx = find (match); |
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52 elseif (length (s) > nc) |
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53 idx = []; |
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54 else |
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55 if (nargin == 3 && length(s) < nc) |
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56 s(1,nc) = " "; |
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57 endif |
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58 s(s == 0) = " "; |
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59 A(A == 0) = " "; |
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60 match = s(ones(size(A,1),1),:) == A(:,1:length(s)); |
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61 if (length (s) == 1) |
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62 idx = find (match); |
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63 else |
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64 idx = find (all (match')'); |
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65 endif |
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66 endif |
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67 |
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68 endfunction |
