Hi Jamie:
Superb! Thanks a lot.
Hans
epidata-list@lists.umanitoba.ca wrote:
Hi Hans,
Do this:
define u #### global
set echo=on
freq unitnum /vl
set echo=off
u=?Enter unit to analyze (0 = analyze all)?
imif u > 0 then
select unitnum=u
else
select
endif
Jamie