annotate scripts/strings/deblank.m @ 2311:2b5788792cad

[project @ 1996-07-11 20:18:38 by jwe]
author jwe
date Thu, 11 Jul 1996 20:18:38 +0000
parents 5cffc4b8de57
children 5ca126254d15
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 ### Copyright (C) 1996 Kurt Hornik
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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 2, or (at your option)
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8 ### 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, write to the Free
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17 ### Software Foundation, 59 Temple Place - Suite 330, Boston, MA
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18 ### 02111-1307, USA.
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19
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20 ## usage: deblank (s)
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21 ##
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22 ## Remove trailing blanks from the string s.
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23
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24 function t = deblank (s)
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25
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26 ## Original version by Kurt Hornik <Kurt.Hornik@ci.tuwien.ac.at>.
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27
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28 if (nargin != 1)
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29 usage ("deblank (s)");
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30 endif
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31
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32 if (isstr (s))
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33
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34 [nr, nc] = size (s);
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35 len = nr * nc;
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36
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37 if (len == 0)
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38 t = s;
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39 else
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40 s = reshape (s, 1, len);
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41 k = max (find (s != " "));
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42 t = s (1:k);
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43 endif
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44
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45 else
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46 error ("deblank: expecting string argument");
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47 endif
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48
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49 endfunction