Mercurial > octave-nkf
annotate scripts/strings/blanks.m @ 8920:eb63fbe60fab
update copyright notices
| author | John W. Eaton <jwe@octave.org> |
|---|---|
| date | Sat, 07 Mar 2009 10:41:27 -0500 |
| parents | 502e58a0d44f |
| children | 1740012184f9 |
| rev | line source |
|---|---|
| 8920 | 1 ## Copyright (C) 1996, 1997, 1999, 2002, 2003, 2005, 2006, 2007, 2008, 2009 |
| 7017 | 2 ## Kurt Hornik |
| 2325 | 3 ## |
| 2313 | 4 ## This file is part of Octave. |
| 5 ## | |
| 6 ## Octave is free software; you can redistribute it and/or modify it | |
| 7 ## under the terms of the GNU General Public License as published by | |
| 7016 | 8 ## the Free Software Foundation; either version 3 of the License, or (at |
| 9 ## your option) any later version. | |
| 2313 | 10 ## |
| 11 ## Octave is distributed in the hope that it will be useful, but | |
| 12 ## WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 13 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 14 ## General Public License for more details. | |
| 15 ## | |
| 16 ## You should have received a copy of the GNU General Public License | |
| 7016 | 17 ## along with Octave; see the file COPYING. If not, see |
| 18 ## <http://www.gnu.org/licenses/>. | |
| 2268 | 19 |
| 3361 | 20 ## -*- texinfo -*- |
| 21 ## @deftypefn {Function File} {} blanks (@var{n}) | |
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parents:
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22 ## Return a string of @var{n} blanks, for example: |
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parents:
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23 ## |
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24 ## @example |
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25 ## @group |
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26 ## blanks(10); |
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27 ## whos ans; |
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28 ## @result{} |
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29 ## Attr Name Size Bytes Class |
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30 ## ==== ==== ==== ===== ===== |
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31 ## ans 1x10 10 char |
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Thorsten Meyer <thorsten.meyier@gmx.de>
parents:
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32 ## @end group |
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parents:
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33 ## @end example |
| 6138 | 34 ## @seealso{repmat} |
| 3361 | 35 ## @end deftypefn |
| 2311 | 36 |
| 5428 | 37 ## Author: Kurt Hornik <Kurt.Hornik@wu-wien.ac.at> |
| 2355 | 38 ## Adapted-By: jwe |
| 2314 | 39 |
| 2268 | 40 function s = blanks (n) |
| 2325 | 41 |
| 2268 | 42 if (nargin != 1) |
| 6046 | 43 print_usage (); |
| 6138 | 44 elseif (! (isscalar (n) && n == round (n))) |
| 3081 | 45 error ("blanks: n must be a non-negative integer"); |
| 2268 | 46 endif |
| 2325 | 47 |
| 6387 | 48 ## If 1:n is empty, the following expression will create an empty |
| 49 ## character string. Otherwise, it will create a row vector. | |
| 50 s(1:n) = " "; | |
| 6138 | 51 |
| 2268 | 52 endfunction |
| 6138 | 53 |
| 54 ## There really isn't that much to test here | |
| 55 %!assert(blanks (0), "") | |
| 56 %!assert(blanks (5), " ") | |
| 57 %!assert(blanks (10), " ") | |
| 7411 | 58 |
| 59 %!assert(strcmp (blanks (3), " ")); | |
| 60 | |
| 61 %!error blanks (); | |
| 62 | |
| 63 %!error blanks (1, 2); | |
| 64 |