gistfile1.txt

get_dev_by_usb_id() {
  idV=${1%:*}
  idP=${1#*:}
  for path in $(find /sys/ -name idVendor 2> /dev/null | rev | cut -d/ -f 2- | rev); do
    if grep -q $idV $path/idVendor; then
      if grep -q $idP $path/idProduct; then
        for bd in $(find $path -name 'device' | grep 'block' | rev | cut -d / -f 2 | rev); do
          echo "/dev/$bd"
        done
      fi
    fi
  done
}