function [x] = listing(y)
 % Takes y as a path string and returns x as a structure of data and image names 
 %%% '/home/benebioglu/cs-4year/comp403/project-midterm/subset1/' should be y
 dir_list = dir([y '*.png']);
 for(i=1:length(dir_list))
  disp(dir_list(i).name);
  x(i).name = dir_list(i).name;
  x(i).data = imread(strcat(data_dir, x(i).name));    
 end
end