Tom Mueller wrote on 03/15/11 12:10 PM:
> Near the end of the 3.1 release, I was considering using this to
> determine the version of the software that last wrote the file so that
> it could be used to help determine whether it was necessary to start the
> domain with the --upgrade option, but I gave up on that because the
> value wasn't reliable or predictable.
Right, don't do that.
With a modular system and the ability to install new packages at any
time, there's no single version number that you can depend on.