［工程技巧］

 #-*-coding:gbk-*-                                                                      
  2 #########################################################################              
  3 #   Copyright (C) 2015 All rights reserved.                                            
  4 #                                                                                      
  5 #   文件名称：getnltksinica.py                                                         
  6 #   创 建 者：刘禹 finallyly liuyusi0121@sogou-inc.com(ext 3209)                       
  7 #   创建日期：2015年10月28日                                                           
  8 #   描    述：                                                                         
  9 #                                                                                      
 10 #   备    注：                                                                         
 11 #                                                                                      
 12 #########################################################################              
 13 #!/usr/bin/python                                                                      
 14 # please add your code here!                                                           
 15 import sys                                                                                                       
 16 reload(sys)                                                                            
 17 sys.setdefaultencoding('utf8')                                                         
 18 import nltk;                                                                           
 19 from nltk.corpus import sinica_treebank                                                
 20 sinica_fd=nltk.FreqDist(sinica_treebank.words())                                       
 21 print len(sinica_fd)                                                                   
 22 for m in sinica_fd:                                                                    
 23     sys.stdout.write("%s "%m);  

有一份文档是ＵＴＦ－８编码，直接打印到标准输出没有问题，但是重定向的话就会出错，因为系统的默认编码是GBK的。加上reload(sys)

sys.segdefaultencoding这两句就没错了。