update packages

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

diff --git a/octave_packages/m/miscellaneous/zip.m b/octave_packages/m/miscellaneous/zip.m
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+## Copyright (C) 2006-2012 Sylvain Pelissier
+##
+## 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} {@var{entries} =} zip (@var{zipfile}, @var{files})
+## @deftypefnx {Function File} {@var{entries} =} zip (@var{zipfile}, @var{files}, @var{rootdir})
+## Compress the list of files and/or directories specified in @var{files}
+## into the archive @var{zipfile} in the same directory.  If @var{rootdir}
+## is defined the @var{files} are located relative to @var{rootdir} rather
+## than the current directory.
+## @seealso{unzip, bzip2, gzip, tar}
+## @end deftypefn
+
+## Author: Sylvain Pelissier <sylvain.pelissier@gmail.com>
+
+function entries = zip (zipfile, files, rootdir = ".")
+
+  if (nargin != 2 && nargin != 3)
+    print_usage ();
+  endif
+
+  rootdir = tilde_expand (rootdir);
+
+  if (ischar (files))
+    files = cellstr (files);
+  endif
+
+  if (! ischar (zipfile) && ! iscellstr (files))
+    error ("zip: expecting all arguments to be character strings");
+  endif
+
+  cmd = sprintf ("cd %s; zip -r %s/%s %s", rootdir, pwd (), zipfile,
+                 sprintf (" %s", files{:}));
+
+  [status, output] = system (cmd);
+
+  if (status)
+    error ("zip: zip failed with exit status = %d", status);
+  endif
+
+  if (nargout > 0)
+    cmd = sprintf ("unzip -Z -1 %s", zipfile);
+    [status, entries] = system (cmd);
+    if (status)
+      error ("zip: zipinfo failed with exit status = %d", status);
+    endif
+    if (entries(end) == "\n")
+      entries(end) = [];
+    endif
+    entries = strsplit (entries, "\n");
+  endif
+
+endfunction