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python Ö´ÐÐϵͳÃüÁî±È½Ï
¹Ø¼ü×Ö: python os system ϵͳÃüÁî
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1. os.system()
system(command) -> exit_status  
      
Execute the command (a string) in a subshell.  
  
  
# ½ö½öÔÚÒ»¸ö×ÓÖÕ¶ËÔËÐÐϵͳÃüÁî,¶ø²»ÄÜ»ñÈ¡ÃüÁîÖ´ÐкóµÄ·µ»ØÐÅÏ¢..  
 
>>> os.system('ls')  #Èç¹ûÔÙÃüÁîÐÐÏÂÖ´ÐÐ,½á¹ûÖ±½Ó´òÓ¡³öÀ´
04101419778.CHM  bash     document   media     py-django  video  
11.wmv           books    downloads  Pictures  python  
all-20061022     Desktop  Examples   project   tools  
  
2.os.popen()
popen(command [, mode='r' [, bufsize]]) -> pipe  
      
Open a pipe to/from a command returning a file object.  
  
# ´ËÖÖ·½·¨²»µ«Ö´ÐÐÃüÁ·µ»ØÖ´ÐкóµÄÐÅÏ¢¶ÔÏó   
 
>>>tmp = os.popen('ls *.py').readlines()  
  
>>>tmp  
Out[21]:   
['dump_db_pickle.py\n',  
 'dump_db_pickle_recs.py\n',  
 'dump_db_shelve.py\n',  
 'initdata.py\n',  
 '__init__.py\n',  
 'make_db_pickle.py\n',  
 'make_db_pickle_recs.py\n',  
 'make_db_shelve.py\n',  
 'peopleinteract_query.py\n',  
 'reader.py\n',  
 'testargv.py\n',&n


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