tarfile example

I. open a tar file
   import tarfile
   import glob
   t = tarfile.open("foo.tar", 'w')
   t.add("README")
   for pyfile in glob.glob('*.py'):
       t.add(pyfile)
    t.close()
    
II.
  import tarfile
  t = tarfile.open("foo.tar")
  for f in t:
      print "%s %d" % (f.name, f.size)
   
III.
  import tarfile
  t = tarfile.open("foo.tar")
  for f in t:
      if os.path.basename(f.name) == "README":
          data = t.extractfile(f).read()
          print "**** %s ****" % f.name