Created
April 11, 2012 16:15
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Compare a bunch of images to find duplicates
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files = Dir.glob("*.png") | |
compares = {} | |
files.each do |file| | |
files.each do |compare_to| | |
key = [file, compare_to].sort.join("-") | |
unless compares[key] || file == compare_to | |
compares[key] = `compare -metric MAE #{file} #{compare_to} null: 2>&1` | |
puts "#{file} vs #{compare_to} = " + compares[key] # if a comparison yields `0 (0)`, they're the same | |
end | |
end | |
end |
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