## Copyright (C) 1996, 1997 John W. Eaton
##
## 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 2, 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, write to the Free
## Software Foundation, 59 Temple Place - Suite 330, Boston, MA
## 02111-1307, USA.

## usage: dump_prefs (file)
##
## Have Octave dump all the current user preference variables to FILE
## in a format that can be parsed by Octave later.  If FILE is omitted,
## the listing is printed to stdout.

## Author: jwe

function dump_prefs (file)

  if (nargin == 0)
    file = stdout;
  endif

  ## XXX FIXME XXX -- vectors of strings would be really useful here...
  ## XXX FIXME XXX -- maybe this should be a built-in function so that we
  ## wouldn't have to remember to update it each time the list of
  ## preference variables changes

  dump_1_pref (file, "EDITOR");
  dump_1_pref (file, "IMAGEPATH");
  dump_1_pref (file, "INFO_FILE");
  dump_1_pref (file, "LOADPATH");
  dump_1_pref (file, "OCTAVE_VERSION");
  dump_1_pref (file, "PAGER");
  dump_1_pref (file, "PS1");
  dump_1_pref (file, "PS2");
  dump_1_pref (file, "automatic_replot");
  dump_1_pref (file, "whitespace_in_literal_matrix");
  dump_1_pref (file, "default_save_format");
  dump_1_pref (file, "do_fortran_indexing");
  dump_1_pref (file, "empty_list_elements_ok");
  dump_1_pref (file, "eps");
  dump_1_pref (file, "gnuplot_binary");
  dump_1_pref (file, "ignore_function_time_stamp");
  dump_1_pref (file, "implicit_str_to_num_ok");
  dump_1_pref (file, "ok_to_lose_imaginary_part");
  dump_1_pref (file, "output_max_field_width");
  dump_1_pref (file, "output_precision");
  dump_1_pref (file, "page_screen_output");
  dump_1_pref (file, "prefer_column_vectors");
  dump_1_pref (file, "print_answer_id_name");
  dump_1_pref (file, "print_empty_dimensions");
  dump_1_pref (file, "propagate_empty_matrices");
  dump_1_pref (file, "resize_on_range_error");
  dump_1_pref (file, "return_last_computed_value");
  dump_1_pref (file, "save_precision");
  dump_1_pref (file, "silent_functions");
  dump_1_pref (file, "split_long_rows");
  dump_1_pref (file, "treat_neg_dim_as_zero");
  dump_1_pref (file, "warn_assign_as_truth_value");
  dump_1_pref (file, "warn_divide_by_zero");

endfunction