## Copyright (C) 1996 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 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 USA. 

## -*- texinfo -*-
## @deftypefn {Function File } { outputs =} prompt ( inputs ) 
## @format
##  function prompt([str])
##  Prompt user to continue
##  str: input string. Default value: "\n ---- Press a key to continue ---"
##  Written by David Clem August 15, 1994
##  Modified A. S. Hodel June 1995
## 
## 
## @end format
## @end deftypefn
 
function prompt(str)

if(nargin > 1)
  usage("prompt([str])");
elseif(nargin == 0)
  str = "\n ---- Press a key to continue ---";
elseif ( !isstr(str) )
  error("prompt: input must be a string");
endif

disp(str);
fflush(stdout);
kbhit;

endfunction