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laixintao/subprocess_with_open_not_working.py

Last active January 20, 2020 11:55
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subprocess_with_open_not_working.py
from subprocess import run
# not working, Bad file descriptor
run(
"head /dev/random -c 100",
stdout=open("/tmp/head.out", "wb", 0).fileno(),
shell=True,
)
Raw
subprocess_with_open_working.py
from subprocess import run
out = open("/tmp/head.out", "wb", 0)
run(
"head /dev/random -c 100",
stdout=out.fileno(),
shell=True,
)
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