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scripts/miscellaneous/delete.m

changeset 10289: 4b124317dc38
parent:eb63fbe60fab
author: John W. Eaton <jwe@octave.org>
date: Tue Feb 09 20:58:55 2010 -0500 (52 minutes ago)
permissions: -rw-r--r--
description: base_properties::set_children: account for hidden children 
     1## Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009 John W. Eaton

     2##

     3## This file is part of Octave.

     4##

     5## Octave is free software; you can redistribute it and/or modify it

     6## under the terms of the GNU General Public License as published by

     7## the Free Software Foundation; either version 3 of the License, or (at

     8## your option) any later version.

     9##

    10## Octave is distributed in the hope that it will be useful, but

    11## WITHOUT ANY WARRANTY; without even the implied warranty of

    12## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

    13## General Public License for more details.

    14##

    15## You should have received a copy of the GNU General Public License

    16## along with Octave; see the file COPYING.  If not, see

    17## <http://www.gnu.org/licenses/>.

    18

    19## -*- texinfo -*-

    20## @deftypefn  {Function File} {} delete (@var{file})

    21## @deftypefnx {Function File} {} delete (@var{handle})

    22## Delete the named file or graphics handle.

    23##

    24## Deleting graphics objects is the proper way to remove

    25## features from a plot without clearing the entire figure.

    26## @seealso{clf, cla}

    27## @end deftypefn

    28

    29## Author: jwe

    30

    31function delete (arg)

    32

    33  if (nargin == 1)

    34    if (ischar (arg))

    35      files = glob (arg).';

    36      if (isempty (files))

    37        warning ("delete: no such file: %s", arg);

    38      endif

    39      for i = 1:length (files)

    40        file = files{i};

    41        [err, msg] = unlink (file);

    42        if (err)

    43          warning ("delete: %s: %s", file, msg);

    44        endif

    45      endfor

    46    elseif (all (ishandle (arg(:))))

    47      ## Delete a graphics object.

    48      __go_delete__ (arg);

    49    else

    50      error ("delete: expecting argument to be a filename or graphics handle");

    51    endif

    52  else

    53    print_usage ();

    54  endif

    55

    56endfunction