rec.lua

while true do
local id,message = rednet.receive()
local lock = message[4]
local name = message[2]..".lua"
if lock == "greenblock" then
local mode = message[1]
 if (mode == "read") then
  if (fs.exists("Accounts/"..name)) then
  local info = fs.open("Accounts/"..name,"r")
  local num = info.readLine()
  rednet.send(id,num)
  info.close()
  elseif (fs.exists("Accounts/"..name) == false) then
  local info = fs.open("Accounts/"..name,"w")
  info.writeLine("0.00")
  rednet.send(id,"0.00")
  info.close()
  end
 elseif (mode == "write") then
 local val = message[3]
 local info = fs.open("Accounts/"..name,"w")
 info.writeLine(val)
 info.close()
 end
else

end
end