AppPkg/Applications/Lua/scripts/Fact.lua

   1 -- defines a factorial function
   2 function fact (n)
   3   if n == 0 then
   4     return 1
   5   else
   6     return n * fact(n-1)
   7   end
   8 end
   9
  10 print("enter a number:")
  11 a = io.read("*number")        -- read a number
  12 print(fact(a))