#!/bin/sh

 RESULT=`ps x |grep -v grep |grep -c "tcpser"`

if [ $RESULT = 0 ]; then
    tcpser -s 2400 -d /dev/ttyUSB0 &


Nothing more.

I put the script into a file in the directory.  If you need it, you can copy it
directly to your pi with a wget command.

CVh

--- SoupGate-Win32 v1.05