How to download AWS RDS Postgres log files?

The following bash script downloads AWS RDS Postgres log files, appending them to one single file. It uses aws-cli.

the_region="us-east-1"
the_db_instance="my-db-instance"

for filename in $( aws rds describe-db-log-files --region $the_region --db-instance-identifier $the_db_instance | jq -r '.DescribeDBLogFiles[] | .LogFileName' )
do
aws rds download-db-log-file-portion --region $the_region --db-instance-identifier $the_db_instance --output text --no-paginate --log-file $filename  >> /tmp/postgres_aws_rds_logs_$the_db_instance.log
done