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58 lines
1.4 KiB
Python
58 lines
1.4 KiB
Python
import sys
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from subprocess import call
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import os
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import time
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import math
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import random
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# print time.localtime()
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hostfile = open(sys.argv[1],'r')
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# print "cp -f "+sys.argv[1]+" "+sys.argv[3]
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# call(["cp","-f",sys.argv[1],sys.argv[3]])
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guestfile = open(sys.argv[2],'r')
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targetfile = open(sys.argv[3],'w+')
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hostsize = os.path.getsize(sys.argv[1])
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guestsize = os.path.getsize(sys.argv[2])
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# print hostsize
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"""
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print mean
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if mean!=0:
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for i in range(0,guestsize):
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guestfile.seek(i)
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target.seek(mean*i)
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#print str(mean*i)+":"+target.read(1)+"\t"+str(i)+":"+guestfile.read(1)
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temp = target.read(1)+guestfile.read(1)
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target.seek(mean*i)
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target.write(temp)
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print guestfile,target
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"""
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mean = 1
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c_sz = [12, 24,47,94,188,375,729,1024,1449,2048,2897,4096,5794,8192]
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ndx = int(math.log(float(hostsize)/8192,2))
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dist = int(float(hostsize)/c_sz[ndx] + 0.5)
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# print dist
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if mean!=0:
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guest = guestfile.read()
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target = hostfile.read()
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byte_ndx = 0
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flt_byte = 0
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for i in range(0,c_sz[ndx]):
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# loc = random.randint(i*dist+flt_byte, (i+1)*dist+flt_byte)
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loc = 10+i*dist+flt_byte
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# print loc, guest[byte_ndx]
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target = target[:loc]+guest[byte_ndx]+target[loc:]
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flt_byte += 1
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byte_ndx = (byte_ndx+1)%guestsize
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target = target[:-3]+"X"+target[-3:]
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targetfile.write(target)
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hostfile.close()
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guestfile.close()
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targetfile.close()
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# print time.localtime()
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