Use m4 to change a file in-place

Peng Yu <[email protected]> Sun, 10 Apr 2016 08:54:45 -0500
Newsgroups gmane.comp.gnu.m4.general
Message-ID <CABrM6wn+xoGyptU+2YKWCbBKqwMWWqG9e5n47XR51xCjF4Pw2w@mail.gmail.com>
Hi, sed has an option `--in-place` to allow the change to a file
in-place. But I don't find a similar option in m4. Does anybody know
there is a similar option that I can use for in-place modification of
a file? Thanks.

-- 
Regards,
Peng