Get list of Ubuntu 16.04 LTS latest AMIs for AWS CloudFormation

get_ubuntu_ami.sh

#!/bin/sh

remove_last_comma() { sed '
        $x;$G;/\(.*\),/!H;//!{$!d
    };  $!x;$s//\1/;s/^\n//'
}

response=$(curl -s "https://cloud-images.ubuntu.com/locator/ec2/releasesTable" | remove_last_comma)

regions=$(echo $response | jq -c '.aaData[] | select(contains(["16.04", "hvm:ebs"])) | .[0]' | sed 's/"//g')
images=$(echo $response | jq -c '.aaData[] | select(contains(["16.04", "hvm:ebs"])) | .[6]' | grep -o '>ami-[a-z0-9]\+' | sed 's/>//g')

regionsarr=(${regions//$'\n'/ })
imagesarr=(${images//$'\n'/ })

counter=0;
for region in "${regionsarr[@]}"
do
  echo "$region:"
  echo "  US1604HVM: ${imagesarr[$counter]}"
  counter=$((counter+1))
done