reads first 20 images from 2 directory and shows them in 2 different figure on a grid.

showImageGrid.m

function showImageGrid( dir1, dir2 )
%showImageGrid shows two separete image grid for each directory.
%   @milkers
    
    listing1 = dir( dir1 );   
    figure(1);
    for i=3:length(listing1)
        [tempX, tempMap] = imread(listing1(i).name);
        numCol = 5;
        subplot(4, numCol, i-2), imshow(tempX, tempMap, 'Border', 'tight')
    end
    
    listing2 = dir( dir2 );
    figure(2);
    for i=3:length(listing2)
        [tempX, tempMap] = imread(listing2(i).name);
        numCol = 5;
        subplot(4, numCol, i-2), imshow(tempX, tempMap, 'Border', 'tight')
    end
 
end