--[[
Class Name: myLog
Version: 1.0.1
Author: GorristeR
Date: 2011-01
 
This code is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
 
You should have received a copy of the GNU General Public License
along with this program.  If not, see <http://www.gnu.org/licenses/>.
]]--
 
myLog = {}
 
function myLog:Create(fname)
    local data = {}
    local f
    data["fileName"] = fname
    f = io.open(fname, "w")
    f:close()    
    return setmetatable({data},{__index = myLog}, myLog)
end
 
function myLog:Print(...)
    local output = ""
    local f
    --Grandiosa chapuza de los desarroladores de Lua,
    --ipair() se detiene si encuentra un nil.... WTF!!!
    for n = 1,table.getn(arg) do
        if arg[n] == nil then
            arg[n] = "nil"
        end
    end;
    for k,v in ipairs(arg) do
        output = output .. tostring(v)
    end
    f = io.open(self[1]["fileName"], "a")
    f:write(output.."\n")
    f:close()    
 end

dofile("mylog.lua")
log = myLog:Create("nombre del fichero que quieras.log o punto lo que sea")

--Aquí código nuestro
log:Print("la variable n vale", n, "y la variable total es igual a ", tot)
 
--Más Código
log:Print("Entrando funcion configurar(), contador vale: ", contador)
 
---Más Código
log:Print("Fin función configurar()")
 
--Etc,