function fm_simsave(varargin)% FM_SIMSAVE attempts to save the current Simulink model to%            Simulink 3 (R11) or, if it is not possible, to the%            oldest supported Simulink release.%%            This functions calls UIGETFILE to chose a Simulink%            model. At the end of the procedure, the original file%            will subsituted with the new one.%%Author:    Federico Milano%Date:      07-Aug-2003%Version:   1.0.0%%E-mail:    fmilano@thunderbox.uwaterloo.ca%Web-site:  http://thunderbox.uwaterloo.ca/~fmilano%% Copyright (C) 2002-2006 Federico Milanoglobal Path Settingsif Settings.hostver < 7  fm_choice('This function runs only under Matlab 7.x or newer',2)  fm_disp('This function runs only under Matlab 7.x or newer')  returnendswitch nargin case 0,  [filename, pathname] = uigetfile('*.mdl', ...                                   'Chose Simulink Model...'); case 1,  if ~strcmp(varargin{1},'all'), return, end  foldername = uigetdir(Path.local)  a = dir([foldername,filesep,'*.mdl']);  names = {a.name}  for i = 1:length(names)    fm_simsave(names{i},foldername);  end  return otherwise,  filename = varargin{1};  pathname = varargin{2};endif isequal(pathname,0), return, endmodelname = strrep(filename,'.mdl','');currentpath = pwd;cd(pathname)fm_disp(['Model ', modelname,' will be saved in Simulink 5.1 (R13SP1) format.'])load_system(modelname);save_system(modelname,modelname,'','R13SP1');cd(currentpath)