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#!/usr/bin/python
# -*- coding: utf-8 -*-
import sys
import re
import time
def print_help():
print 'Usage: '
print 'python mem.py MB'
print 'python mem.py 1GB'
if __name__ == "__main__":
if len(sys.argv) == 2:
pattern = re.compile('^(\d*)([M|G]B)$')
match = pattern.match(sys.argv[1].upper())
if match:
num = int(match.group(1))
unit = match.group(2)
if unit == 'MB':
s = ' ' * (num * * )
else:
s = ' ' * (num * * * )
time.sleep()
else:
print_help()
else:
print_help()
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python mem.py 1G
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