Control (programmatically) if a list exist, otherwise create it

[salvomic]

(05-18-2015 05:14 PM)mandresve Wrote:  

Code:


IF length(L1)==0 THEN
...
ELSE
...
END;

Just a tricky idea.

thank you,
I'm trying with variable flows (program for IRR): if flows doesn't exist my program gives "Error:unlatch control word" ... I dunno what it means...

Salvo