text: import fileinput
  import re
  import os
  import sys
  
  baseUrl = "http://www.fpdf.org/en/doc/";
  
  for line in fileinput.input():
      urls = re.findall(r'href=[\'"]?([^\'" >]+)', line)
      for url in urls:
          tot = baseUrl+url
          os.system("curl "+tot+" > "+url);
      pass
  