upload.rb

require 'aws/s3'

AWS_ID = 'ネームスペース'
AWS_KEY = 'コンソールでみられる KEY'

s3 = AWS::S3.new(access_key_id: AWS_ID, secret_access_key: AWS_KEY, s3_endpoint: "b.storage.sakura.ad.jp", use_ssl: false)
ARGV.each{|a|
  obj = s3.buckets[AWS_ID].objects[a]
  obj.write(file: a)
  puts obj.public_url.to_s
}