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#!/usr/bin/env ruby
require 'zipf'
a = ReadFile.new ARGV[0]
b = ReadFile.new ARGV[1]
min = ARGV[2].to_i
max = ARGV[3].to_i
a_out = WriteFile.new ARGV[0]+".out"
b_out = WriteFile.new ARGV[1]+".out"
while line = a.gets
line1 = b.gets
len = line.strip.split.size
len1 = line1.strip.split.size
if len >= min and len1 >= min and len <= max and len1 <= max
a_out.write line
b_out.write line1
end
end
a.close
b.close
a_out.close
b_out.close
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