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os.dup2()

os.dup2(fd, fd2, inheritable=True)

Duplicate file descriptor fd to fd2, closing the latter first if necessary. The file descriptor fd2 is inheritable by default, or non-inheritable if inheritable is False.

Changed in version 3.4: Add the optional inheritable parameter.

Links:

https://docs.python.org/3.5/library/os.html#os.dup2

doc_python

2016-10-07 17:38:49

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