curdir = cd;

cd greenfield3D
% Cleanup old simulator-to-greenfield files
k=dir('*.txt');
[notused,ind] = sort([k.datenum]);
k = k(fliplr(ind));
totalsize = cumsum([k.bytes]);
maxsize = 10*1024; %bytes
ind = find(totalsize>maxsize);
if ~isempty(ind)
    for i=1:length(ind)
        delete(fullfile(cd,k(ind(i)).name))
    end
end

% Cleanup old simulator-to-greenfield files
k=dir('*.mat');
[notused,ind] = sort([k.datenum]);
k = k(fliplr(ind));
totalsize = cumsum([k.bytes]);
maxsize = 200*1024; %bytes
ind = find(totalsize>maxsize);
if ~isempty(ind)
    for i=1:length(ind)
        delete(fullfile(cd,k(ind(i)).name))
    end
end

cd(curdir)