#!/usr/bin/env ruby

require 'bloom-filter'
require 'optimist'

STDIN.set_encoding 'utf-8'
STDOUT.set_encoding 'utf-8'

conf = Optimist::options do
  opt :size, "number of entries in the filter", :type => :int, :required => true
  opt :error_rate, "error rate", :type => :float, :default => 0.01
end

f = BloomFilter.new conf[:size], conf[:error_rate]
while line = STDIN.gets
  src, tgt = splitpipe(line)[0..1]
  src.strip!
  tgt.strip!
  f.insert(src+" ||| "+tgt)
end

f.dump('pt.bloom')
f.close