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1 # Copyright (C) 1993, 1994 John W. Eaton |
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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 the |
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7 # Free Software Foundation; either version 2, or (at your option) any |
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8 # later version. |
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9 # |
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10 # Octave is distributed in the hope that it will be useful, but WITHOUT |
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11 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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12 # FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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13 # 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, write to the Free |
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17 # Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. |
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18 |
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4
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19 function status = strcmp (s1, s2) |
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20 |
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21 # usage: strcmp (s1, s2) |
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22 # |
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23 # Compare two strings. |
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24 # |
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25 # WARNING: Unlike the C function of the same name, this function |
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26 # returns 1 for equal and zero for not equal. Why? To be compatible |
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27 # with Matlab, of course. |
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28 |
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29 if (nargin != 2) |
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30 error ("usage: strcmp (s, t)"); |
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31 endif |
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32 |
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33 status = 0; |
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321
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34 if (isstr (s1) && isstr(s2)) |
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35 len_s1 = columns (s1); |
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36 len_s2 = columns (s2); |
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37 if (len_s1 == len_s2) |
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38 if (len_s1 == 0) |
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39 status = 1; |
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40 else |
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41 tmp = implicit_str_to_num_ok; |
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42 implicit_str_to_num_ok = "true"; |
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43 status = all (s1 == s2); |
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44 implicit_str_to_num_ok = tmp; |
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45 endif |
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46 endif |
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4
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47 endif |
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48 |
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49 endfunction |
