feature_dict


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#!/usr/bin/env ruby

n = 0
feature_dict = {}
l_i = 1
while line = STDIN.gets
  STDERR.write "#{l_i}\n"
  line.split.each { |i|
    f, v = i.split('=', 2)
    if !feature_dict.has_key? f
      feature_dict[f] = n
      n += 1
    end
  }
  l_i += 1
end

f = File.new "fd.dump", 'w'
f.write Marshal.dump feature_dict
f.close

STDERR.write "size = #{feature_dict.size}\n"