PREUN

/bin/sh

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

POSTIN

/bin/sh

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