Enumerate all VPCs you have on all AWS regions

vpc.fish

for region in af-south-1 ap-east-1 ap-northeast-1 ap-northeast-2 ap-northeast-3 ap-south-1 ap-southeast-1 ap-southeast-2 ca-central-1 cn-north-1 cn-northwest-1 eu-central-1 eu-north-1 eu-south-1 eu-west-1 eu-west-2 eu-west-3 me-south-1 sa-east-1 us-east-1 us-east-2 us-gov-east-1 us-gov-west-1 us-west-1 us-west-2
  echo $region
  aws ec2 describe-vpcs --region $region |jq '.Vpcs[]|[.VpcId, .CidrBlock, (.Tags[]|select(.Key=="Name")).Value]|@csv' -rc 2>/dev/null
end