if not fs.isDir("/var") and not fs.exists("/var/log") and not fs.isDir("/var/log") then
 fs.makeDir("/var")
 fs.makeDir("/var/log")
end
local logger = fs.open("/var/log/messages", "a")
local tArgs = {...}
local logstr = tostring(os.day()).."d:"..textutils.formatTime(os.time(), true).." | "
for k,v in ipairs(tArgs) do
 if k==1 then
  logstr = logstr..v
 else
  logstr = logstr.." "..v
 end
end
logger.writeLine(logstr)
logger.close()