Ruby script to test AWS S3

aws_s3_test.rb

#!/usr/bin/ruby

require 'rubygems'
require 'yaml'
require 'aws-sdk-s3'


access_key=""
secret_access_key=""
region=""
bucket_name=""

s3 = Aws::S3::Client.new(
    region: region,
    credentials: Aws::Credentials.new(access_key,secret_access_key),
    )

s3.list_objects(bucket: bucket_name).each do |response|
    puts response.contents.map(&:key)
end
puts s3.get_bucket_policy(bucket: bucket_name)