function Nbeamlets = beamletNum(folder,Nbatches)

Nbeamlets = 0;

beamletFolder = [folder];

for i=1:Nbatches;
    
    temp = open_beamlet_batch([beamletFolder '/beamletbatch' num2str(i-1) '.bin']);
    Nbeamlets = Nbeamlets + length(temp);
    disp(int2str(i));
    
end

fprintf(['Max beamlet number = ' num2str(temp{length(temp)}.num) '\n']);
fprintf(['Number of beamlets = ' num2str(Nbeamlets) '\n']);

end