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1 ## Copyright (C) 2000 Bill Lash |
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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 3 of the License, or (at |
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8 ## your option) 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, see |
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17 ## <http://www.gnu.org/licenses/>. |
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18 |
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19 ## -*- texinfo -*- |
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20 ## @deftypefn {Function File} {} strcmpi (@var{s1}, @var{s2}) |
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21 ## Ignoring case, return 1 if the character strings @var{s1} and @var{s2} |
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22 ## are the same, and 0 otherwise. |
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23 ## |
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24 ## If either @var{s1} or @var{s2} is a cell array of strings, then an array |
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25 ## of the same size is returned, containing the values described above for |
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26 ## every member of the cell array. The other argument may also be a cell |
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27 ## array of strings (of the same size or with only one element), char matrix |
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28 ## or character string. |
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29 ## |
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30 ## @strong{Caution:} For compatibility with @sc{Matlab}, Octave's strcmpi |
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31 ## function returns 1 if the character strings are equal, and 0 otherwise. |
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32 ## This is just the opposite of the corresponding C library function. |
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33 ## @seealso{strcmp, strncmp, strncmpi} |
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34 ## @end deftypefn |
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35 |
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36 ## Author: Bill Lash <lash@tellabs.com> |
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37 ## Adapted-by: jwe |
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38 |
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39 function retval = strcmpi (s1, s2) |
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40 |
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41 if (nargin == 2) |
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42 if ((ischar(s1) || iscellstr(s1)) && (ischar(s2) || iscellstr(s2))) |
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43 ## Note that we don't use tolower here because we need to be able |
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44 ## to handle cell arrays of strings. |
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45 retval = strcmp (lower (s1), lower (s2)); |
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46 else |
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47 retval = false; |
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48 endif |
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49 else |
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50 print_usage (); |
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51 endif |
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52 |
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53 endfunction |
