Quick way to list all files in Amazon S3 bucket?

Question

I have an amazon s3 bucket that has tens of thousands of filenames in it. What\'s the easiest way to get a text file that lists all the filenames in the bucket?

Answer 1

Be carefull, amazon list only returns 1000 files. If you want to iterate over all files you have to paginate the results using markers :

In ruby using aws-s3

bucket_name = 'yourBucket'
marker = ""

AWS::S3::Base.establish_connection!(
  :access_key_id => 'your_access_key_id',
  :secret_access_key => 'your_secret_access_key'
)

loop do
  objects = Bucket.objects(bucket_name, :marker=>marker, :max_keys=>1000)
  break if objects.size == 0
  marker = objects.last.key

  objects.each do |obj|
      puts "#{obj.key}"
  end
end

end

Hope this helps, vincent