Find all XML files and replace multiple strings

replace_xml.rb

hash2id={"replace1":"with1","replace2":"with2"}

xml_files=`find "/path/to/folder" -type f -name '*.xml'`.strip.split("\n")

xml_files.each do |xml_file|
  puts "Processing #{xml_file}"
  original_text=File.read(xml_file)
  text=original_text.dup
  hash2id.each do |hash,id|
    text.gsub!(hash.to_s, id)
  end
  if text!=original_text
    open(xml_file, 'w') do |f|
      f << text
    end
end
end