#!/bin/sh DEV=$1 BAUD=${2:-115200} while true; do # NOTE: needs cu >= 1.07-24 # c.f. https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=336996 test -e $DEV && cu -l $DEV -s $BAUD --parity=none --nostop --nortscts dir sleep 0.2 done