make_dict.rb

#!/usr/bin/env ruby
# -*- encoding: utf-8 -*-

filename = ARGV[1] || 'yuiyuinikki_kaomoji.csv'
yomi = ARGV[2] || 'ゆい'

open 'yuiyui.txt', 'w' do |output|
  open filename do |input|
    input.readlines.each do |s|
      row = s.split(',').map { |s| s.strip }
      output.write [yomi, row[1], '顔文字', ''].join("\t")
      output.write "\n"
    end
  end
end