#!/bin/bash function listRes() { aws elbv2 describe-load-balancers | jq -cr '.LoadBalancers[] | [.LoadBalancerName, .Scheme, .Type, .AvailabilityZones[0].ZoneName] | @csv' | tr -d \" } export -f listRes # Generate inventory in all regions echo "LbName,Scheme,Type,AZ1" aws --region=us-east-1 ec2 describe-regions --query Regions[].RegionName --output text | sed -e 's/\t/\n/g' | while read r; do sem -j6 listRes $r done sem --wait