PREUN

/bin/sh

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

POSTIN

/bin/sh

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