search for: cms_instal

Hi all, Is there a (simple) way to add conditionals to a call to a define? What I want is to run a define only if a file (that gets created somewhere along the run of the define) does not exist. In this way I can skip a whole lot of setup work in the define if I know it has already run once before. I would think adding a unless clause would be a elegant solution (and the other conditionals like