get lang code from unix

lang_code_export

require 'fileutils'
counter = 1
if File.exists?('/usr/share/i18n/SUPPORTED')
  FileUtils.copy_file('/usr/share/i18n/SUPPORTED','/tmp/lang_list.txt') unless File.exists?('/tmp/lang_list.txt')
  file = File.open("/tmp/lang_list.txt", "r")
  file_export = File.new("/tmp/lang_export.txt", "w+")
  lang_set = Hash.new
  output_list = ""
  while (line = file.gets)
    puts "#{counter}: #{line}"
    output = ''
    output = line.sub(/\s.*/,'') || line
    output = output.sub(/\.[\w\d\-]*/,'') || output
    output = output.sub(/\@[\w\d\-]*/,'') || output
    if !lang_set.has_key?(output.to_sym)
      lang_set[output.to_sym] = true
      puts "adding #{output}"
      output_list << "#{output}"
    else
      puts "skipping .."
    end
    counter = counter + 1
  end
  file_export.write output_list
  file.close
  file_export.close
else
  puts "/usr/share/i18n/SUPPORTED not found on your system"
end