#!/bin/sh

if ! grep -q '^lp:' /opt/etc/group; then
  echo "lp:x:7:" >> /opt/etc/group
fi

if ! grep -q '^lpadmin:' /opt/etc/group; then
  echo "lpadmin:x:115:" >> /opt/etc/group
fi

if ! grep -q '^nogroup:' /opt/etc/group; then
  echo "nogroup:x:65535:" >> /opt/etc/group
fi

if ! grep -q '^sys:' /opt/etc/group; then
  echo "sys:x:3:" >> /opt/etc/group
fi
