How to read data from a COM port using a batch file?

Question

Is there a DOS / Batch command that can be used to read from a COM port?

I tried to find this, but could not find a solution.

Answer 1

To read some information from the COM port, you can try the following command:

type COM{n} 

To send information to the COM port, use the following command:

 echo some text > COM{n} 

Answer 2

To send binary data to a COM port, use copy / B, for example. copy / B data.bin COM1