>mFile=fullpath(forcepath(forceext(sys(3), "txt"), sys(5)+sys(2003))
>
>The above syntax is for foxpro for dos? It is giving me syntax error.

I've probably miscounted the parentheses. It's 2 AM here and I really don't see... maybe add a ... oh, you may also need to load the fpath.plb (or fpath.fll or whatever ancestor of Foxtools works for your fox 2.x). These path functions were defined there.