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(1) os.system
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system(command) -> exit_status
Execute the command (a string) in a subshell.
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>>> os.system('ls')
04101419778.CHM bash document media py-django video
11.wmv books downloads Pictures python
all-20061022 Desktop Examples project tools
(2) os.popen
# ¸Ã·½·¨²»µ«Ö´ÐÐÃüÁ·µ»ØÖ´ÐкóµÄÐÅÏ¢¶ÔÏó
popen(command [, mode='r' [, bufsize]]) -> pipe
Open a pipe to/from a command returning a file object.
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>>>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',
'teststreams.py\n',
'update_db_pickle.py\n',
'writer.py\n']
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