Hi people I need to write an application which will receive data from a number of serial ports, mash it around a lot, then forward the mashed results across a TCP connection to another box where it's all un-mashed and spat out one of a number of serial ports there. All conceptually fairly simple, and Twisted looked like it would help enormously. But I can't work out how to daemonise an application which is bound to a serial port. The neither the gpsfix.py or the mouse.py examples seem to follow the required interface for being able to be turned into a 'tap'. I've looked at other approaches (like munging the portforward.py concepts -- that doesn't seem to allow the SerialPort intialisations to work properly) but I keep hitting dead ends (and my head against a brick wall) Can anyone give me any pointers, or better still, some example code of a serial port protocol running as a daemon. All help gratefully received Nic C-L