PREUN

/bin/sh

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

POSTIN

/bin/sh

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