How can I pipe the output of the serial port to a file in Windows?
In Linux the command would be:
cat /dev/ttyS0 > /opt/logs/Serial.log
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copy com1: somefile.log
There is also
nul: special device as I remember. But that was true for times when DOS was more popular. Probably now you have to create some strange file/folder with extension where in curly brakets is placed some scary long sequence of numbers and letters :)