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msymt/subprocess_cat.py

Last active June 27, 2022 09:05
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python上であるファイルの中身をoutputにリダイレクトしたいとき
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subprocess_cat.py
import subprocess
# $cat input > output
subprocess.run(['cat'], stdin=open("input", 'r'), stdout=open("output", 'a'))
@msymt

msymt commented Jun 27, 2022 •
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こっちの方が早い？

import shutil
shutil.copyfile("input", "output")

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