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serhiy-storchaka/copyfile-mmap.py

Last active January 29, 2020 13:18
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Copy files using mmap
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copyfile-mmap.py
import sys, mmap
with open(sys.argv[1], 'rb') as src:
with open(sys.argv[2], 'wb') as dst:
mm = mmap.mmap(src.fileno(), 0, access=mmap.ACCESS_READ)
dst.write(mm)
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