Chat message time limit

[Wavesonics]

I have need for a certain feature, I haven't found anything relating to it so far, but figured I'd ask before I went and implemented it.

Basically, I want to limit the time on which messages are pulled from the log when a user logs in.

If a certain message in the log is over a certain time threshold, it won't be pulled for the user to see.

My plan is to implement this in what ever function sends the messages to the user when they load.

So does something like this already exist?

And if not, would you like this as a patch to include in PFC?