can I use * to add all of them?

I mean

all("Salutic.Prj.*.MAC")=""
all("Salutic.Prj.*.INT")=""
all("Salutic.Prj.*.INC")=""
all("Salutic.Prj.*.OBJ")=""
all("Salutic.Prj.*.CLS")=""

; ...

d $system.OBJ.Export(.all,"C:\temp\all.xml")

EDITED: Please, ignore.. I've read the help page and it is possible.. Thanks for all

Hi Evgeny,

I'll publish another article explaining how it works and how other languages are added. I'll have to take etymology and grammar classes to understand how some languages are structured. laugh

Then, according your opinion, for complex conditions the best way is use IF ELSEIF instead of $SELECT or other similar
That's right