import os
os.chdir('/hao/aim2/dmsp/dmsp_idm_4s/9806')
import glob
filenames = glob.glob('./*')
fn = glob.glob('*')

for i,file in enumerate(filenames): 
   f = open(file)
   s = f.readlines()
   newfile = 'new' + fn[i]
   openfile = open(newfile, 'w')
	
   for j,l in enumerate(s):    
     if len(l.split()) == 13:
        openfile.write(l)	
        #print "line ", j, " does have 13 items!"

   openfile.close()
   del s
   del f

-----------------------------------------------
import glob
filenames = glob.glob('./*')

for value in filenames: 
   print value


---------------------------------------------------------------

openfile = open('testout', 'w')
openfile.write(l.split())
openfile.close()


for i,l in enumerate(s):    
   if len(l.split()) != 13:
        print "line ", i, " doesn't have 13 items!"