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1 ## Copyright (C) 2006 William Poetra Yoga Hadisoeseno |
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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, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
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18 ## 02110-1301, USA. |
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19 |
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20 ## -*- texinfo -*- |
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21 ## @deftypefn {Function File} {} strtrunc (@var{s}, @var{n}) |
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22 ## Truncate the character string @var{s} to length @var{n}. If @var{s} |
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23 ## is a char matrix, then the number of columns are adjusted. |
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24 ## |
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25 ## If @var{s} is a cell array of strings, then the operation is performed |
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26 ## on its members and the new cell array is returned. |
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27 ## @end deftypefn |
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28 |
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29 function s = strtrunc (s, n) |
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30 |
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31 if (nargin != 2) |
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32 print_usage (); |
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33 endif |
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34 |
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35 if (ischar (s)) |
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36 s_was_char = true; |
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37 s = {s}; |
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38 else |
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39 s_was_char = false; |
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40 endif |
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41 |
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42 if (iscellstr (s)) |
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43 for i = 1:(numel (s)) |
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44 s{i} = s{i}(:,1:(min (n, columns (s{i})))); |
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45 endfor |
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46 else |
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47 error ("strtrunc: s must be a character string or a cell array of strings"); |
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48 endif |
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49 |
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50 if (s_was_char) |
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51 s = s{:}; |
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52 endif |
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53 |
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54 endfunction |
