PREUN

/bin/sh

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

POSTIN

/bin/sh

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