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1 ## Copyright (C) 1996, 2000, 2005, 2006, 2007 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 3 of the License, or (at |
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8 ## your option) 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, see |
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17 ## <http://www.gnu.org/licenses/>. |
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18 |
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19 ## -*- texinfo -*- |
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20 ## @deftypefn {Functin File} {} dezero (@var{s}) |
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21 ## Remove trailing blank entries and all zero entries from the string s. |
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22 ## @end deftypefn |
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23 |
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24 ## Author: Kurt Hornik <Kurt.Hornik@wu-wien.ac.at> |
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25 ## Adapted-By: jwe |
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26 |
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27 ## Adapted from deblank by A. S. Hodel (a.s.hodel@eng.auburn.edu) |
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28 ## (the name dezero is a reference to the Fermilab D0 experiment, |
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29 ## where my sister did her PhD research) |
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30 |
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31 function t = dezero (s) |
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32 |
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33 ## delete the next line if you're stubbornly going to use dezero. |
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34 error ("dezero is no longer supported."); |
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35 |
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36 if (nargin != 1) |
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37 print_usage (); |
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38 elseif (ischar (s)) |
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39 |
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40 [nr, nc] = size (s); |
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41 len = nr * nc; |
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42 |
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43 if (len == 0) |
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44 t = s; |
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45 else |
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46 |
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47 s = reshape (s, 1, len); |
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48 |
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49 ## need to remove zeros first, then call deblank |
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50 s = toascii (s); |
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51 t = deblank (char (s(find (s != 0)))); |
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52 endif |
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53 |
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54 else |
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55 error ("dezero: expecting string argument"); |
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56 endif |
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57 |
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58 endfunction |
