PREUN

/bin/sh

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

POSTIN

/bin/sh

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