Graph with no options takes pairs of points (two numbers per line) from the given file (or standard input) as x- and y- values and plots them on the screen, connected by straight lines. A string surrounded by quotes \"...\" may follow a pair

可以用此软件来识别iptv上面的按键值，以此来捕获按键响应-You can use this software to identify the key value above iptv