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annotate scripts/strings/strncmpi.m @ 7110:0e63f1126f01

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[project @ 2007-11-06 22:36:22 by jwe]
author jwe
date Tue, 06 Nov 2007 22:36:22 +0000
parents a1dbe9d80eee
children 502e58a0d44f
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1 ## Copyright (C) 2000, 2006, 2007 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} {} strncmpi (@var{s1}, @var{s2}, @var{n})
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21 ## Ignoring case, return 1 if the first @var{n} characters of character
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22 ## strings @var{s1} and @var{s2} 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 strncmpi
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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, strcmpi, strncmp}
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34 ## @end deftypefn
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35
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36 function retval = strncmpi (s1, s2, n)
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37
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38 if (nargin == 3)
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39 ## Note that we don't use tolower here because we need to be able to
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40 ## handle cell arrays of strings.
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41 retval = strncmp (lower (s1), lower (s2), n);
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42 else
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43 print_usage ();
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44 endif
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45
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46 endfunction