xml_explore_nori.rb

require 'nori'

def parse_file(file)
  f = File.read(file)
  parser = Nori.new(:convert_tags_to => lambda { |tag| tag.snakecase.to_sym }, :strip_namespaces => true)
  parser.parse(f)
end

x = parse_file("./newvap_oc.xml")

refs = []

puts "here are the Study event Refs"
puts x[:odm][:study][:meta_data_version][:protocol][:study_event_ref]

x[:odm][:study][:meta_data_version][:protocol][:study_event_ref].each do |ref|
 refs << ref[:@study_event_oid]
end

puts "here are the refs!"
refs.each do |ref|
  puts ref
end