Lookup serial devices connected to the serial port

lookup.sh

#!/bin/bash

for sysdevpath in $(find /sys/bus/usb/devices/usb*/ -name dev); do
  (
      syspath="${sysdevpath%/dev}"
      devname="$(udevadm info -q name -p $syspath)"
      [[ "$devname" == "bus/"* ]] && continue
      eval "$(udevadm info -q property --export -p $syspath)"
      [[ -z "$ID_SERIAL" ]] && continue
      echo "/dev/$devname - $ID_SERIAL"
  )
done