%Loop over all samples in the database


%The name of the directory with the database
dirname = 'D:\database_directory\';
%The suffix with the file format
suffix = '.png';

%Open the file with the file names.
fid=fopen([dirname 'listnames_MEW2012.txt'],'rt');
if(fid==-1)
    error(sprintf('Opening of file "%s" was not successful\n',[dirname 'listnames_MEW2012.txt']));
    return;
end
%The loop over the file names; they are stored to MATLAB cells
ni=0;
while ~feof(fid)
    ni=ni+1;
    sn=fgetl(fid);
    listnames{ni}=sn(1:findstr(sn,';')-1);
    listnum(ni)=sscanf(sn(findstr(sn,';')+1:length(sn)),'%d');
end
fclose(fid);

% listnames - list of species
% listnum   - list of the numbers of samples of individual species
% ni        - number of species

%The loop over all files
for ix=1:ni	    %loop over species
	for jx=1:listnum(ix)     %loop over samples of one species
        %reading of an image file
      	a=double(imread([dirname listnames{ix} int2str(jx) suffix]));
        %Add a processing of the matrix a.
	end
end