You have provided an inconsistent fragment of the code you might be running. However I notice you are using Device::SerialPort. In the Example section of the documentation it says:

It is recommended to always use "read(255)" due to some unexpected behavior with the termios under some operating systems (Linux and Solaris at least)

Maybe that is a clue?

Optimising for fewest key strokes only makes sense transmitting to Pluto or beyond

In reply to Re^4: How to identify string by GrandFather
in thread How to identify string by Acnapyx

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