What command should be use when the testing of arguments is failed?
Peng Yu
pengyu.ut at gmail.com
Wed Oct 14 20:53:03 EDT 2009
I have the following python code snippet. I'm wondering what command I
should use to terminate the program if the arguments are not right.
#!/usr/bin/env python
import sys
import os
if len(sys.argv) <= 1:
print "usage:", os.path.basename(sys.argv[0]), '<something>'
return ## what command should be used here to terminate the program?
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