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1 ## Copyright (C) 2003 Alois Schloegl |
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2 ## |
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3 ## This program is free software; you can redistribute it and/or modify |
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4 ## it under the terms of the GNU General Public License as published by |
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5 ## the Free Software Foundation; either version 2 of the License, or |
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6 ## (at your option) any later version. |
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7 ## |
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8 ## This program is distributed in the hope that it will be useful, |
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9 ## but WITHOUT ANY WARRANTY; without even the implied warranty of |
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10 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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11 ## GNU General Public License for more details. |
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12 ## |
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13 ## You should have received a copy of the GNU General Public License |
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14 ## along with this program; if not, write to the Free Software |
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15 ## Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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16 ## |
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17 ## Copyright (C) 2000 Paul Kienzle |
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18 |
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19 ## usage: strmatch(s, A [, 'exact']) |
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20 ## Determines which entries of A match string s. A can be a string matrix |
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21 ## or a cell array of strings. If 'exact' is not given, then s only needs |
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22 ## to match A up to the length of s. Null characters match blanks. |
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23 ## Results are returned as a column vector. |
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24 function idx = strmatch(s,A,exact) |
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25 if (nargin < 2 || nargin > 3) |
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26 usage("strmatch(s,A,'exact')"); |
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27 endif |
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28 |
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29 try istno = implicit_str_to_num_ok; |
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30 catch istno = 0; |
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31 end |
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32 try wstno = warn_str_to_num; |
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33 catch wstno = 0; |
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34 end |
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35 try dfi = do_fortran_indexing; |
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36 catch dfi = 0; |
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37 end |
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38 try wfi = warn_fortran_indexing; |
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39 catch wfi = 0; |
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40 end |
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41 unwind_protect |
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42 implicit_str_to_num_ok = 1; |
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43 warn_str_to_num = 0; |
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44 do_fortran_indexing = 1; |
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45 warn_fortran_indexing = 0; |
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46 |
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47 [nr, nc] = size (A); |
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48 if iscell(A) |
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49 match = zeros(prod(size(A)),1); |
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50 if nargin>2, |
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51 for k = 1:prod(size(A)), |
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52 match(k) = strcmp(s,A{k}); |
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53 end |
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54 else |
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55 for k = 1:prod(size(A)), |
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56 match(k) = strncmp(s,A{k},length(s)); |
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57 end |
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58 end |
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59 idx = find(match); |
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60 elseif (length (s) > nc) |
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61 idx = []; |
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62 else |
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63 if (nargin == 3 && length(s) < nc) s(1,nc) = ' '; endif |
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64 s (s==0) = ' '; |
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65 A (A==0) = ' '; |
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66 match = s(ones(size(A,1),1),:) == A(:,1:length(s)); |
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67 if (length(s) == 1) |
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68 idx = find(match); |
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69 else |
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70 idx = find(all(match')'); |
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71 endif |
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72 endif |
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73 |
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74 unwind_protect_cleanup |
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75 implicit_str_to_num_ok = istno; |
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76 warn_str_to_num = wstno; |
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77 do_fortran_indexing = dfi; |
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78 warn_fortran_indexing = wfi; |
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79 end_unwind_protect |
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80 endfunction |
