gistfile1.rb

require 'elasticsearch'

url = `heroku config --app <heroku-app-name> | grep "SEARCHBOX_SSL_URL:"`.split(": ").last.strip
client = Elasticsearch::Client.new(url: url)

# https://github.com/elasticsearch/elasticsearch-ruby/issues/49
scan_response = client.search(index: 'pixels', search_type: 'scan', scroll: '5m', size: 10)

while response = client.scroll(scroll_id: scan_response['_scroll_id'], scroll: '5m') and !response['hits']['hits'].empty? do
	puts response['hits']['hits'].map { |r| r['_source'] }
end