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1 ## Copyright (C) 1996, 1997, 1999, 2002, 2003, 2005, 2006, 2007 |
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2 ## Kurt Hornik |
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3 ## |
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4 ## This file is part of Octave. |
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5 ## |
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6 ## Octave is free software; you can redistribute it and/or modify it |
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7 ## under the terms of the GNU General Public License as published by |
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8 ## the Free Software Foundation; either version 3 of the License, or (at |
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9 ## your option) any later version. |
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10 ## |
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11 ## Octave is distributed in the hope that it will be useful, but |
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12 ## WITHOUT ANY WARRANTY; without even the implied warranty of |
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13 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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14 ## General Public License for more details. |
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15 ## |
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16 ## You should have received a copy of the GNU General Public License |
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17 ## along with Octave; see the file COPYING. If not, see |
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18 ## <http://www.gnu.org/licenses/>. |
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19 |
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20 ## -*- texinfo -*- |
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21 ## @deftypefn {Function File} {} blanks (@var{n}) |
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22 ## Return a string of @var{n} blanks. |
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23 ## @seealso{repmat} |
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24 ## @end deftypefn |
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25 |
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26 ## Author: Kurt Hornik <Kurt.Hornik@wu-wien.ac.at> |
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27 ## Adapted-By: jwe |
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28 |
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29 function s = blanks (n) |
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30 |
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31 if (nargin != 1) |
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32 print_usage (); |
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33 elseif (! (isscalar (n) && n == round (n))) |
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34 error ("blanks: n must be a non-negative integer"); |
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35 endif |
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36 |
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37 ## If 1:n is empty, the following expression will create an empty |
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38 ## character string. Otherwise, it will create a row vector. |
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39 s(1:n) = " "; |
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40 |
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41 endfunction |
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42 |
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43 ## There really isn't that much to test here |
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44 %!assert(blanks (0), "") |
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45 %!assert(blanks (5), " ") |
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46 %!assert(blanks (10), " ") |
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47 |
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48 %!assert(strcmp (blanks (3), " ")); |
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49 |
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50 %!error blanks (); |
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51 |
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52 %!error blanks (1, 2); |
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53 |
