--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/scripts/help/which.m	Thu Jan 22 18:22:52 2009 -0500
@@ -0,0 +1,48 @@
+## Copyright (C) 2009 John W. Eaton
+##
+## This program 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.
+##
+## This program 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 this program; see the file COPYING.  If not, see
+## <http://www.gnu.org/licenses/>.
+
+## -*- texinfo -*-
+## @deffn {Command} which name @dots{}
+## Display the type of each @var{name}.  If @var{name} is defined from a
+## function file, the full name of the file is also displayed.
+## @seealso{help, lookfor}
+## @end deffn
+
+## PKG_ADD: mark_as_command which
+
+function varargout = which (varargin)
+
+  if (nargin > 0 && iscellstr (varargin))
+    m = __which__ (varargin{:});
+
+    if (nargout == 0)
+      for i = 1:nargin
+	if (isempty (m(i).file))
+	  printf ("`%s' is a %s function\n",
+		  m(i).name, m(i).type);
+	else
+	  printf ("`%s' is a %s from the file %s\n",
+		  m(i).name, m(i).type, m(i).file);
+	endif
+      endfor
+    else
+      varargout = {m.file};
+    endif
+  else
+    print_usage ();
+  endif
+
+endfunction