Update an outdated existing translation (here in italian) to a base file in english language

update_translations.rb

en_filename = "English.ini" # located in redcap/redcap_vxx.x.x/LanguageUpdater/ folder
it_filename = "Italian_v10_8_4 3.ini" # an existing but outdated file with translations

def read_file(filename)
  hash  = {}
  count = 0
  key   = ""
  value = ""

  IO.readlines(filename, chomp: true).each do |line|
    a = line.split(" = ")
    # puts "#{count}: #{a.inspect}"
    if a.size==2 && a[0][0]!=" "
      key   = a[0]
      value = a[1]
    else
      value += a[0] unless a[0].nil?
    end

    if value[-1]=='"'
      hash[key] = value
      value = ""
    end
    count+=1
  end
  puts "read #{count} lines from file #{filename}"

  hash
end


en_hash = read_file en_filename
it_hash = read_file it_filename


File.open("ita_new.txt", 'w') do |file|
  en_hash.each_pair do |k, v|
    file.write("#{k} = #{it_hash.fetch(k, v).gsub(/[ ]{2,}/, " ")}\r\n")
  end
end