Copy the Amazon S3 objects between two buckets

gistfile1.rb

# AWS SDK v1
require 'aws-sdk'

AWS.config(:access_key_id => 'foo', :secret_access_key => 'bar')
s3 = AWS::S3.new
key = "path/to/src"
s3.buckets['src_bucket'].objects.with_prefix(key).each do |o|
  o.copy_to(o.key, bucket_name: "dst_bucket")
end