CC:Tweaked ChatApp

-- Get the username and channel
write("Username: ")
username = read()
write("Channel: ")
channel = read()

term.clear()
term.setCursorPos(1,1)

-- Open any modems on the computer
peripheral.find("modem", rednet.open)
message = ""

-- Creates a window in the terminal for the chat
termX, termY = term.getSize()


-- Recieves chat messages from other clients on the same channel
function receiveChat()
    print()
    print(rednet.receive(channel))
end

-- Sends messages to other clients on the same channel
function sendMsg()
    while true do
        write(">: ")
        message = read()
        if message == "exit[]" then
            os.reboot()
        end
        term.clearLine()
        rednet.broadcast(username..": '"..message.."', on ", channel)
    end
end

-- Runs the functions in parallel so you can recieve and send messages at the same time
while true do
    parallel.waitForAny(receiveChat, sendMsg)
end