读写文件ex15.py

ex15.py

from sys import argv

script,file_name = argv

with open(file_name, mode='r') as f:
    txt = f.read()

print "Here's your file %r:"%file_name

print txt

运行结果：

J:\python\program\ex>python ex15.py  ex15_sample.txt
Here's your file 'ex15_sample.txt':
This is stuff I typed into a file.
It is really cool stuff.
Lots and lots of fun to have in here.