gistfile1.rb

require 'rubygems'
require 'right_aws'

i = 1
path = '/Users/pierre/Desktop/items/pictures/**/*'

s3 = RightAws::S3.new(access_key, secret_key)
s3_bucket = s3.bucket('twistip', false, 'public-read')

headers = {'Content-type' => 'image/jpeg', 'Expires' => "Thu, 01 Jul 2019 08:37:04 GMT", 'Cache-Control' => 'public, max-age=315360000'}

Dir.glob(path).each do |f|
  next if File.directory?(f)
  p = "items/pictures/#{f[path.length, f.length]}"
  key = s3_bucket.key(p)
  
  unless key.exists?
    puts("#{i} - saving #{p} ...")
    
    key.data = File.read(f)
    key.put(nil, 'public-read', headers)
    
    puts("#{i} - saved #{p}")
  else
    puts("#{i} - skipped #{p}")
  end
  
  i += 1
end