function run(msg, matches)
    local receiver = get_receiver(msg)
    print('receiver: '..receiver)
    result=run_command("free -h | awk '/^Mem:/{print $4}'")
    return "RAM libre: " .. result
end

return {
    description = "RAM Libre",
    usage = "!ram",
    patterns = {"^!ram$"},
    run = run
}