filter on deleted cf stacks

[brentley]

from:

https://www.appmeshworkshop.com/prerequisites/deploycfn/

brent:/environment $ CFN_TEMPLATE=$(aws cloudformation list-stacks | jq -c '.StackSummaries[].StackName | select( . == "appmesh-workshop" )')
brent:/environment $ echo $CFN_TEMPLATE
"appmesh-workshop" "appmesh-workshop" "appmesh-workshop" "appmesh-workshop" "appmesh-workshop" "appmesh-workshop" "appmesh-workshop" "appmesh-workshop" "appmesh-workshop" "appmesh-workshop" "appmesh-workshop" "appmesh-workshop" "appmesh-workshop" "appmesh-workshop"