xslt transformation and poi counter

poi_counter.rb

#/usr/bin/env ruby

require 'rexml/document'

total_poi_count = 0
Dir.glob("output/*.xml").each do |file|
  # extract event information
  doc = REXML::Document.new(File.read(file))
  poi_count = doc.elements.to_a('//vendor-pois/entry').length
  puts "Count: #{poi_count} for #{file}"
  total_poi_count += poi_count
end
puts "Total count: #{total_poi_count}"

xslt-transformation.rb

require 'xml/xslt'

xslt = XML::XSLT.new()

xslt.xsl = "2nokia-transform-5 GC.xslt"

Dir.glob("xml_files/*.xml").each do |file|
  xslt.xml = file
  new_xml_path = file.split("/")[1]
  File.open("output/#{new_xml_path}", 'w') { |f| f.write(xslt.serve()) }
end