PREUN

/bin/sh

if [[ "$1" = "0" ]]; then
  perl -ni -e "/^DICT\s*or\s*OR\s*or_OR$/ or print" /usr/share/dict/ooo/dictionary.lst
fi

POSTIN

/bin/sh

if [[ ! -f "/usr/share/dict/ooo/dictionary.lst" ]] ||       ! grep -q "^DICT[ \t]*or[ \t]*OR[ \t]*or_OR" /usr/share/dict/ooo/dictionary.lst
then
  echo "DICT or OR or_OR" >> /usr/share/dict/ooo/dictionary.lst
fi