command

playername = "yournamehere"
main = 2
rednet.open("right")
b = peripheral.wrap("top")
setts = {}

function genSettings()
 setts["state"] = true
 setts["display"] = "all"
end


function saveSettings()
 file = fs.open("settings", "w")
 file.write(setts)
 file.close()
end


if fs.exists("settings") then
 file = fs.open("settings", "r")
 temp = file.readAll()
 file.close()
 if #tostring(temp["state"]) > 0 then
  if #tostring(temp["display"]) > 0 then
   setts = temp
   saveSettings()
  else
   genSettings()
  end
 else
  genSettings()
 end
else
genSettings()
end


while true do
 e, var1, var2, var3, var4, var5 = os.pullEvent()
 if e == "modem_message" then
  if var4 == "chCommand" then
   if var3 == main then
    rednet.send(var3, setts)
   end
  end
 elseif e == "chat_command" then
  print (var1)
  if var2 == playername then
   if var1 == "off" then
    setts["state"] = false
   elseif var1 == "on" then
    setts["state"] = true
   elseif var1 == "eu" then
    setts["display"] = "eu"
   elseif var1 == "mj" then
    setts["display"] = "mj"
   elseif var1 == "back" then
    setts["display"] = "all"
   end
  end
 end
saveSettings()
end