Homer will prompt user with updates should neurophotonics/fnirs/homer3 show that one is available

    if (strcmp(cfg.GetValue('Check For Updates'),'on'))

        % If it has been a week since Homer checked for an update

        if (datetime - cfg.GetValue('Last Checked For Update') > duration(168,0,0))

        if (1)

%         if (datetime - cfg.GetValue('Last Checked For Update') > duration(168,0,0))

            url = 'http://bu.edu/neurophotonics/research/fnirs/homer3';

            promptFlag = 0;

            promptFlag = false;

            [s,status] = urlread(url,'timeout',4);

            if (~status)

            p = getParentRecursive(wb);

            p.setVisible(0);

%             out = regexp(s, '<a id="version">(.*?)<\/a>', 'match')

            vrnum = getVernum();  % Compare to current version and set promptFlag

%             if (vrnum < updateTxt) & (cfg.GetValue('LatestUpdateRefused') < updateTxt)

%               promptFlag = 1;

%             end

            version = regexp(s, '<a id="version">(.*?)<\/a>', 'tokens');

            desc = regexp(s, '<p id="description">(.*?)<\/p>', 'tokens');

            try  % Version description might not exist

                updateTxt = [version{1}{1},': ', desc{1}{1}];

            catch

                updateTxt = version{1}{1};

            end

            web_vrnum = split(version{1}{1},'.');

            this_vrnum = getVernum();

            promptFlag = compareVernum(web_vrnum, this_vrnum);  % If fetched vernum is greater

            if (promptFlag)

                choice = questdlg(['An update for Homer3 is available: ',...

                choice = questdlg(sprintf(['An update for Homer3 is available:\n',...

                    updateTxt,...

                    ' Would you like to download it?'],...

                    '\nWould you like to download it?']),...

                    'Update Available',...

                    'Yes','Remind me later','Don''t show this again',...

                    'Remind me later');

    cfg.Close();

end

function v1_greater = compareVernum(v1, v2)

    v1_greater = false;

    for i = 1:max([length(v1), length(v2)])

        v1_part = str2num(v1{i});

        v2_part = str2num(v2{i});

        try  % Version format is unstable

            if v1_part > v2_part

               v1_greater = true

               return

            elseif v1_part < v2_part

                return

            end

        catch

            return

        end

    end

end

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