text: from bs4 import BeautifulSoup
  import glob
  import time
  import os
  import errno
  
  #Output file name
  output_file_name = "trace-out.gpx"
  #Output file directory
  output_directory = "output"
  
  #Check whether output directory exists?
  def make_sure_path_exists(path):
      try:
          os.makedirs(path)
      except OSError as exception:
          if exception.errno != errno.EEXIST:
              raise
  
  make_sure_path_exists(output_directory)
  
  fo = open(output_directory+"/"+output_file_name, "w")
  fo.write('<?xml version="1.0" encoding="UTF-8"?>')
  fo.write('<gpx version="1.0" creator="OpenStreetMap.org" xmlns="http://www.topografix.com/GPX/1/0">')
  
  gpx_list = glob.glob('*.gpx')
  
  for gpx_file_name in gpx_list:
      print "Parsing "+gpx_file_name+" ..."
  
      fi = open(gpx_file_name,"r")
      gpx_trace = fi.read()
      fi.close()
  
      soup = BeautifulSoup(gpx_trace)
      fo.write(soup.trk.prettify())
      
      time.sleep(1)
      
  fo.write('</gpx>')
  fo.close()
  