fileHandle = open ( 'test.txt', 'a' )  
fileHandle.write ( 'nnBottom line.' )  
fileHandle.close() 

fileHandle = open ( 'test.txt' )  
print fileHandle.read()  
fileHandle.close() 

fileHandle = open ( 'test.txt' )  
print fileHandle.readline() # "This is a test."  
fileHandle.close()

fileHandle = open ( 'test.txt' )  
fileList = fileHandle.readlines()<DIV></DIV>  
for fileLine in fileList:  
  print '>>', fileLine  
fileHandle.close() 

fileHandle = open ( 'test.txt' )  
garbage = fileHandle.readline()  
fileHandle.readline() # "Really, it is."fileHandle.close() 

fileHandle = open ( 'test.txt' )  
garbage = fileHandle.readline()  
fileHandle.seek ( 0 )  
print fileHandle.readline() # "This is a test."  
fileHandle.close()

fileHandle = open ( 'test.txt' )  
print fileHandle.readline() # "This is a test."  
print fileHandle.tell() # "17"  
print fileHandle.readline() # "Really, it is."

fileHandle = open ( 'test.txt' )  
print fileHandle.read ( 1 ) # "T"  
fileHandle.seek ( 4 )  
print FileHandle.read ( 1 ) # " "(原文有错) 

fileHandle = open ( 'testBinary.txt', 'wb' )
fileHandle.write ( 'There is no spoon.' )
fileHandle.close()
fileHandle = open ( 'testBinary.txt', 'rb' )
print fileHandle.read()
fileHandle.close()

import os  
import stat  
import time<DIV></DIV>  
fileStats = os.stat ( 'test.txt' )  
fileInfo = {  
  'Size' : fileStats [ stat.ST_SIZE ],  
  'LastModified' : time.ctime ( fileStats [ stat.ST_MTIME ] ),  
  'LastAccessed' : time.ctime ( fileStats [ stat.ST_ATIME ] ),  
  'CreationTime' : time.ctime ( fileStats [ stat.ST_CTIME ] ),  
  'Mode' : fileStats [ stat.ST_MODE ]  
}  
for infoField, infoValue in fileInfo:  
  print infoField, ':' + infoValue  
if stat.S_ISDIR ( fileStats [ stat.ST_MODE ] ):  
  print 'Directory. ' 
else:  
  print 'Non-directory.'

import os  
import stat  
fileStats = os.stat ( 'test.txt' )  
fileMode = fileStats [ stat.ST_MODE ]  
if stat.S_ISREG ( fileStats [ stat.ST_MODE ] ):  
  print 'Regular file.' 
elif stat.S_ISDIR ( fileStats [ stat.ST_MODE ] ):  
  print 'Directory.' 
elif stat.S_ISLNK ( fileStats [ stat.ST_MODE ] ):  
  print 'Shortcut.' 
elif stat.S_ISSOCK ( fileStats [ stat.ST_MODE ] ):  
  print 'Socket.' 
elif stat.S_ISFIFO ( fileStats [ stat.ST_MODE ] ):  
  print 'Named pipe.' 
elif stat.S_ISBLK ( fileStats [ stat.ST_MODE ] ):  
  print 'Block special device.' 
elif stat.S_ISCHR ( fileStats [ stat.ST_MODE ] ): 

import os.path  
fileStats = 'test.txt' 
if os.path.isdir ( fileStats ):  
  print 'Directory.' 
elif os.path.isfile ( fileStats ):  
  print 'File.' 
elif os.path.islink ( fileStats ):  
  print 'Shortcut.' 
elif os.path.ismount ( fileStats ):  
  print 'Mount point.'
import os  
for fileName in os.listdir ( '/' ):  
  print fileName 

import os  
os.mkdir ( 'testDirectory' ) 

import os  
os.rmdir ( 'testDirectory )

import os
os.makedirs ( 'I/will/show/you/how/deep/the/rabbit/hole/goes' )
    os.makedirs ( 'I/will/show/you/how/deep/the/rabbit/hole/goes' )

import os
os.removedirs ( 'I/will/show/you/how/deep/the/rabbit/hole/goes'

import fnmatch
import os
for fileName in os.listdir ( '/' ):
  if fnmatch.fnmath ( fileName, '*.txt' ):
    print open ( fileName ).read()
  elif fnmatch.fnmatch ( fileName, '*.exe' ):
    print fileName

import fnmatch
import os
for fileName in os.listdir ( '/' ):
  if fnmatch.fnmatch ( fileName, '?.txt' ):
    print 'Text file.'

import fnmatch  
import os  
import re  
filePattern = fnmatch.translate ( '*.txt' )  
for fileName in os.listdir ( '/' ):  
  if re.match ( filePattern, fileName ):  
    print 'Text file.'

import glob  
for fileName in glob.glob ( '*.txt' ):  
  print 'Text file.' 

import glob  
for fileName in glob.glob ( '[0-9].txt' ):  
  print filename 

import pickle  
fileHandle = open ( 'pickleFile.txt', 'w' )  
testList = [ 'This', 2, 'is', 1, 'a', 0, 'test.' ]  
pickle.dump ( testList, fileHandle )  
fileHandle.close() 

import pickle  
fileHandle = open ( 'pickleFile.txt' )  
testList = pickle.load ( fileHandle )  
fileHandle.close() 

import pickle  
fileHandle = open ( 'pickleFile.txt', 'w' )  
testList = [ 123, { 'Calories' : 190 }, 'Mr. Anderson', [ 1, 2, 7 ] ]  
pickle.dump ( testList, fileHandle )  
fileHandle.close() 
import pickle  
fileHandle = open ( 'pickleFile.txt' )  
testList = pickle.load ( fileHandle )  
fileHandle.close() 

import cPickle  
fileHandle = open ( 'pickleFile.txt', 'w' )  
cPickle.dump ( 1776, fileHandle )  
fileHandle.close() 

import StringIO  
fileHandle = StringIO.StringIO ( "Let freedom ring" )  
print fileHandle.read() # "Let freedom ring."  
fileHandle.close() 

import cStringIO  
fileHandle = cStringIO.cStringIO ( "To Kill a Mockingbird" )  
print fileHandle.read() # "To Kill a Mockingbid"  
fileHandle.close()