python sys模块

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   python可以使用sys.argv获取到命令行参数。sys.argv[0]表示代码本身文件路径，所有参数从1开始

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#!/usr/bin/env python # import os,sys def flying():         print sys.argv         print len(sys.argv)         print sys.argv[0]         print sys.argv[1]         print sys.argv[2]         print sys.argv[:] if __name__ == "__main__":         print sys.argv[:]         flying() python flying.py  fly flying eagle hello ['flying.py', 'fly', 'flying', 'eagle', 'hello'] ['flying.py', 'fly', 'flying', 'eagle', 'hello'] 5 flying.py fly flying ['flying.py', 'fly', 'flying', 'eagle', 'hello']

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#!/usr/bin/python # Filename: using_sys.py import sys print 'The command line arguments are:' for i in sys.argv:     print i print '\n\nThe PYTHONPATH is', sys.path, '\n', print sys.argv[1]

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python  test.py test The command line arguments are: test.py test The PYTHONPATH is ['/root', '/usr/lib/python2.6/site-packages/paramiko-1.16.0-py2.6.egg', '/usr/lib/python2.6/site-packages/ecdsa-0.13-py2.6.egg', '/usr/lib64/python26.zip', '/usr/lib64/python2.6', '/usr/lib64/python2.6/plat-linux2', '/usr/lib64/python2.6/lib-tk', '/usr/lib64/python2.6/lib-old', '/usr/lib64/python2.6/lib-dynload', '/usr/lib64/python2.6/site-packages', '/usr/lib64/python2.6/site-packages/gtk-2.0', '/usr/lib/python2.6/site-packages', '/usr/lib/python2.6/site-packages/setuptools-0.6c11-py2.6.egg-info'] test

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sys.argv[] 包含命令行参数的字符串列表，通过下标获取参数。 参数个数：len(sys.argv) 脚本名：    sys.argv[0] 参数1：     sys.argv[1] 参数2：     sys.argv[2]