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Jan 23rd, 2018
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  1. #!/usr/bin/env ruby
  2.  
  3. index = {}
  4. STDIN.each do |line|
  5. key, values = line.strip.split(/\t/)
  6. index[key] ||= []
  7. index[key] += values.split(",")
  8. end
  9.  
  10. # XXX: 本来の用途では、出力する代わりにここでデータを永続化するため保存する
  11. index.each {|k, v| puts "#{k}\t#{v}" }
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