[comp.text.tex] calculated years between dates

woo@ornl.gov (John W. Wooten) (06/04/91)

Has anyone seen a definition in LaTeX that would
provide a way to calculate the number of years between two dates?

I want to provide something like.

While this has been available for \age{10-21-75}{\today} years, it
is no...

and have it generate
While this has been available for 15 years, it
is no...

Any ideas on a simple way to do this?

Thanks in advance.
John W.