CDPStudyGroup S3 example

config.yml

access_key_id: xxx
secret_access_key: yyy

s3.rb

#!/usr/bin/env ruby

require 'yaml'
require 'aws-sdk'

config_file = File.join(File.dirname(__FILE__),"config.yml")
config = YAML.load(File.read(config_file))
AWS.config(config)

s3 = AWS::S3.new
bucket = s3.buckets[:seratchtokyoexample]
foo = bucket.objects["foo"]

# upload content
foo.write(Time.now.to_s)

# make public
foo.acl.change do |acl|
  acl.grant(:read).to(:group_uri => 'http://acs.amazonaws.com/groups/global/AllUsers')
end

# https://s3-ap-northeast-1.amazonaws.com/seratchtokyoexample/foo

http://docs.amazonwebservices.com/AWSRubySDK/latest/frames.html