使用TeraTerm发送文件，传输速率，时间

I'm using TeraTerm to transfer a file through a dial up connection, for this I will use ttl scripts in both ends to automatize it. I would like to measure the time it takes to transfer the file, or the transfer rate... but I don't know how to do it? Does anyone have any idea? Thanks a lotI'm using TeraTerm to transfer a file through a