test.py

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#coding=utf-8
import subprocess
compilePopen = subprocess.Popen('gcc haha',shell=True,stderr=subprocess.PIPE)
compilePopen.wait()
print('the status code is:',compilePopen.returncode)
with open('log','w') as object:
    object.write(compilePopen.stderr.read())

输出：

('the status code is:', 1)

 

参考：

https://blog.csdn.net/qq_31331027/article/details/80518348

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