PREUN

/bin/sh

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

POSTIN

/bin/sh

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