it is a prettyprinter

pp.lua

local function prettyprint(t, l)
    l = l or 0
    for k, v in pairs(t) do
        io.write(string.rep(" ", (l * 4)), k, " = ")
        if type(v) == "table" then 
            io.write("table:\n")
            prettyprint(v, l+1)
        else 
            io.write(tostring(v), "\n") 
        end
    end
end