Fill a disk with more recent files

From: Andrea Venturoli <ml_at_netfence.it>
Date: Wed, 27 Apr 2022 07:47:40 UTC 
Hello.

Suppose I have a large storage of files and a smaller disk (backup).
I need to copy as much as I can from source to target and I want the 
most recent files.

Before I start scripting and reinvent the wheel, is there some tool already?

  bye & Thanks
	av.