Postgres limited delete with filter

delete.sh

export BATCH_SIZE=100000
export PGPASSWORD=xyz
export PGHOST=x.y.z
export PGUSER=abc
export PGDATABASE=def

count=0
until psql -c "DELETE FROM <table> WHERE id IN (SELECT id FROM <table> WHERE <time filter> <= NOW() - INTERVAL '24 hours' LIMIT ${BATCH_SIZE});" | grep -v "DELETE ${BATCH_SIZE}"
do
  count=$((count + BATCH_SIZE))
  echo "Deleted: ${count}"
  sleep 5
done