Re: Use m4 to change a file in-place

On Sunday, April 10, 2016, Jack J. Woehr <[email protected]> wrote:

> Peng Yu wrote:
>
>> 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.
>>
>> No, but you can use the Linux mktemp command and pipe to the temp file
> then copy it back.


This does not maintain file mode.

>
> --
> Jack J. Woehr     # Science is more than a body of knowledge. It's a way of
> www.well.com/~jax # thinking, a way of skeptically interrogating the
> universe
> www.softwoehr.com # with a fine understanding of human fallibility. -
> Carl Sagan
>
>

-- 
Regards,
Peng