extend pragma(msg) with writing to file

[kdevel]

On Saturday, 8 October 2022 at 20:14:24 UTC, FeepingCreature 
wrote:
> https://xkcd.com/1958/
>
> "Except... the program could also just write those files when 
> you run it. What's stopping people **now?**"

Andrey asked for compilation only. Of course the program is ran 
under a separate user.

> "Yeah, messing with people's home folder isn't hard."

True if you set the file perms to 0777. Uh sorry. 
std.conv.octal!"777".to!int.

> "I guess it's just that most people aren't criminals?"

An open door may tempt a saint.