PREUN

/bin/sh

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

POSTIN

/bin/sh

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