[~]$ ./aws-ha-release.sh -a test-asg-2017-01-11
The list of Instances in Auto Scaling Group test-asg-2017-01-11 that will be terminated is below:

test-asg-2016-01-11 has a max-size of 9. In order to recycle instances max-size will be temporarily increased by 1 to max-size 10.
test-asg-2016-01-11 is currently at 9 desired-capacity. aws-ha-release.sh will increase desired-capacity by 1 to desired-capacity 10.
usage: aws [options] [ ...] [parameters]
To see help text, you can run:

aws help
aws help
aws help

Unknown options: test-asg-2

aws autoscaling describe-auto-scaling-groups --auto-scaling-group-name test-asg-2016-01-11 --region us-east-1 --output text | grep LOADBALANCERNAMES | sed "s/LOADBALANCERNAMES[[:space:]]//"

test-asg-1
test-asg-2