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--[[

Copyright 2010 Google Inc.

All Rights Reserved.

Diff Speed Test

fraser@google.com

--]]

package.path = package.path .. ';../?.lua'

local dmp = require 'diff_match_patch'

function main()

text1 = readlines('speedtest1.txt')

text2 = readlines('speedtest2.txt')

dmp.settings{ Diff_Timeout=0 }

-- Execute one reverse diff as a warmup.

dmp.diff_main(text2, text1, false)

collectgarbage('collect')

start_time = os.clock()

dmp.diff_main(text1, text2, false)

end_time = os.clock()

print('Elapsed time: ' .. (end_time - start_time))

end

function readlines(filename)

f = io.open(filename, 'rb')

text = f:read('*a')

f:close()

return text

end

main()