Script to check validity of subvendor ids

check_subvendor_ids.sh

#!/bin/bash

SUBVENDOR_IDS=$(grep -P '^\t\t[0-9a-f]{4}' /usr/share/hwdata/pci.ids | cut -d' ' -f1 | tr -d '\t' | sort -u)
VENDORS=$(grep -P '^[0-9a-f]{4}' /usr/share/hwdata/pci.ids)
VENDOR_IDS=$(grep -P '^[0-9a-f]{4}' /usr/share/hwdata/pci.ids | cut -d' ' -f 1)

for svid in $SUBVENDOR_IDS; do
  if [ $(echo "$VENDOR_IDS" | grep $svid) ]; then
    echo "Found $svid"
  else
    echo "Not found $svid"
  fi
done