It makes sense what you said, but the issue is on these lines 
        if(($row->{image_name_1} ne "") eq ($pics[0] ne "")){$flag_pic
++=1;}
        if(($row->{image_name_2} ne "") eq ($pics[1] ne "")){$flag_pic
++=1;}
        if(($row->{image_name_3} ne "") eq ($pics[2] ne "")){$flag_pic
++=1;}
        if(($row->{image_name_4} ne "") eq ($pics[3] ne "")){$flag_pic
++=1;}

[download]
It is not considering the equality, even if the images are not a match it is still incrementing $flag_pic+=1.

In reply to Re^4: Duplicity Check Help! by Anonymous Monk
in thread Duplicity Check Help! by Anonymous Monk

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