Ruby script to tweet with image files.

tweet_with_image.rb

require 'twitter'
require 'oauth'

# Consumer key, Secretの設定
CONSUMER_KEY     = "XXXXXXXXXXXXXXXXXXXX"
CONSUMER_SECRET  = "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX"
# Access Token Key, Secretの設定
ACCESS_TOKEN_KEY = "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX"
ACCESS_SECRET    = "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX"

begin
  # Twitter.configure 設定
  Twitter.configure do |config|
    config.consumer_key       = CONSUMER_KEY
    config.consumer_secret    = CONSUMER_SECRET
    config.oauth_token        = ACCESS_TOKEN_KEY
    config.oauth_token_secret = ACCESS_SECRET
  end

  # Twitter クラスインスタンス化
  client = Twitter::Client.new

  # ツイート文設定
  str_out = "＜ここにツイートする文章を設定＞"

  # ツイート
  #client.update(str_out)  # <= 画像添付が無い場合
  open("/path/to/image_file") do |img|
    client.update_with_media(str_out, img)
  end                      # <= 画像添付が有る場合rescue => e
  STDERR.puts "[EXCEPTION] " + e.to_s
  exit 1
end