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python:习题17

时间:2015-11-02 17:39:40      阅读:181      评论:0      收藏:0      [点我收藏+]

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# -*- coding: cp936 -*-
from sys import argv
from os.path import exists

script, from_file, to_file = argv


print "Copying from %s to %s" % (from_file, to_file)

# we could do these two on one line too, how?

in_file = open (from_file)
indata = in_file.read()

print "The input file is %d bytes long" % len(indata)

print "Does the output file exist? %r" % exists(to_file)

print "Ready, hit RETURN to continue , CTRL-C to abort."
raw_input()

out_file = open(to_file, ‘w‘)
out_file.write(indata)

#print "Alright, all done."

out_file.close()
in_file.close()


#改成一行
open(to_file, ‘w‘).write(open(from_file).read())

python:习题17

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原文地址:http://www.cnblogs.com/run2612/p/4930444.html

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