icon_tweet.rb

#!/usr/bin/env ruby
# -*- coding: utf-8 -*-
require 'pit'
require 'twitter_oauth'

def convert_row(semivowel, roman, step)
  head = semivowel.unpack("U*")[0]
  (0..4).map{|i| [[head + step * i].pack("U*"), roman + %w(a i u e o)[i]]}
end

def find_kanakon_status_id(client, chr)
  user = client.show("kanakon_" + chr)
  return unless user["status"]
  return user["status"]["id_str"]
end

raise if ARGV.length < 1

config = Pit.get("twitter-oauth")
client = TwitterOAuth::Client.new(
  :consumer_key => config["consumer-key"],
  :consumer_secret => config["consumer-secret"],
  :token => config["access-token"],
  :secret => config["access-secret"]
  )

KANA_HASH = Hash[*[
    ["あ", "", 2],
    ["か", "k", 2],
    ["さ", "s", 2],
    ["な", "n", 1],
    ["は", "h", 3],
    ["ま", "m", 1],
    ["ら", "r", 1],
    ["が", "g", 2],
    ["ざ", "z", 2],
    ["だ", "d", 2],
    ["ば", "b", 3],
    ["ぱ", "p", 3],
    ["ぁ", "l", 2]
  ].reduce([]){|r, l| r + convert_row(*l)}.flatten +
  %w(た ta ち ti つ tu て te と to や ya ゆ yu よ yo わ wa を wo ん n ー _)
]

ARGV[0].split("").map{|e|
  find_kanakon_status_id(client, KANA_HASH[e])
}.reverse.each{|e|
  next unless e
  client.retweet(e)
}