update packages

[CreaPhase.git] / octave_packages / m / miscellaneous / bunzip2.m

diff --git a/octave_packages/m/miscellaneous/bunzip2.m b/octave_packages/m/miscellaneous/bunzip2.m
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+++ b/octave_packages/m/miscellaneous/bunzip2.m
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+## Copyright (C) 2006-2012 Bill Denney
+##
+## This file is part of Octave.
+##
+## Octave is free software; you can redistribute it and/or modify it
+## under the terms of the GNU General Public License as published by
+## the Free Software Foundation; either version 3 of the License, or (at
+## your option) any later version.
+##
+## Octave is distributed in the hope that it will be useful, but
+## WITHOUT ANY WARRANTY; without even the implied warranty of
+## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+## General Public License for more details.
+##
+## You should have received a copy of the GNU General Public License
+## along with Octave; see the file COPYING.  If not, see
+## <http://www.gnu.org/licenses/>.
+
+## -*- texinfo -*-
+## @deftypefn  {Function File} {} bunzip2 (@var{bzfile})
+## @deftypefnx {Function File} {} bunzip2 (@var{bzfile}, @var{dir})
+## Unpack the bzip2 archive @var{bzfile} to the directory @var{dir}.  If
+## @var{dir} is not specified, it defaults to the current directory.
+## @seealso{bzip2, unpack, gunzip, unzip, untar}
+## @end deftypefn
+
+## Author: Bill Denney <denney@seas.upenn.edu>
+
+function varargout = bunzip2 (bzfile, dir = ".")
+
+  if (nargin != 1 && nargin != 2)
+    print_usage ();
+  endif
+
+  if (nargout > 0)
+    varargout = cell (1, nargout);
+    [varargout{:}] = unpack (bzfile, dir, mfilename ());
+  else
+    unpack (bzfile, dir, mfilename ());
+  endif
+
+endfunction