RE: Creating automatic filename stamps

[Drew Adams]

> Some years ago---in the early 90s---I was working on a project with a
> number of files, moving files around and renaming.  I was able to cobble
> together an elisp function to duplicate and extend the time-stamp
> functionality, to good effect, to help me keep track of the sources of
> changes.
> 
>    - Time-stamp the flle
>    - Duplicate the previous time-stamp on the next line, (possibly in a
> list)
>    - "File-stamp": record the current file name
>    -  Add the previous filename on the previous line, possibly as the head
> of a list of all previous names for this file.

Does this page help?

https://www.emacswiki.org/emacs/TimeStamp