receiver

-- Function to find the side where the modem is located
os.pullEvent = os.pullEventRaw
local function findModemSide()
    for _, side in ipairs(rs.getSides()) do
        if peripheral.getType(side) == "modem" then
            return side
        end
    end
    return nil  -- No modem found
end

-- Open Rednet on the side where the modem is located
local modemSide = findModemSide()
if modemSide then
    rednet.open(modemSide)
    print("Rednet opened on side:", modemSide)
else
    print("No modem found.")
end

-- Main loop to listen for incoming commands
while true do
    local senderID, message = rednet.receive()

    -- Check if the message is intended for this computer
    if type(message) == "string" then
        print("Received command:", message)
        -- Execute the received command
        shell.run(message)
    end
end