Recieve

e=require('event')
local b,bb='',''

while true do
 local _,_,_,_,rs=e.pull(3,'redstone_changed')
 if not rs then break end
 if rs>0 then

  if rs==12 then
   bb=bb..(string.char(tonumber(b))) b=''
 else
  b=b..tostring(rs-1)
  end
 end
end
arg={...}
if arg[1] then
 f=io.open(arg[1],'w') f:write(bb) f:flush()f:close()
else print(bb)
end