## Copyright (C) 1996, 1998, 2000, 2002, 2003, 2004, 2005, 2006, 2007
##               Auburn University.  All rights reserved.
##
## 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/>.

## Undocumented internal function.

## -*- texinfo -*-
## @deftypefn {Function File} {} __outlist__ (@var{lmat}, @var{tabchar}, @var{yd}, @var{ilist})
## Prints an enumerated list of strings.
## internal use only; minimal argument checking performed
##
## @strong{Inputs}
## @table @var
## @item        lmat
## list of strings
## @item        tabchar
## tab character (default: none)
## @item   yd
## indices of strings to append with the string "(discrete)"
## (used by @var{sysout}; minimal checking of this argument)
## @math{yd = []} indicates all outputs are continuous
## @item ilist
## index numbers to print with names.
##
## default: @code{1:rows(lmat)}
## @end table
##
## @strong{Outputs}
## prints the list to the screen, numbering each string in order.
## @end deftypefn

## Author: A. S. Hodel <a.s.hodel@eng.auburn.edu>
## Created: December 1995

function str_val = __outlist__ (name_list, tabchar, yd, ilist)

  if (nargin < 1 || nargin > 4)
    print_usage ();
  endif

  m = length (name_list);
  if (nargin < 4)
    ilist = 1:m;
  endif
  if (nargin == 1)
    tabchar = "";
  endif

  if (nargin < 3)
    yd = zeros (1, m);
  elseif (isempty (yd))
    yd = zeros (1, m);
  endif

  str_val = "";
  dstr = {"", " (discrete)"};
  if (m >= 1 && iscell (name_list))
    for ii = 1:m
      str_val = sprintf ("%s%s%d: %s%s\n", str_val, tabchar, ilist(ii),
			 name_list{ii}, dstr{yd(ii)+1});
    endfor
  else
    str_val = sprintf ("%sNone", tabchar);
  endif

endfunction