Start stopped instances that all have the same name

It’s worth learning the AWS CLI and jq in order to do one-off batch operations to EC2 instances. I needed to start a group of stopped instances that all had the same name. Here’s the one-liner:

aws ec2 describe-instances --filters \
Name=tag:Name,Values="name goes here" | \
jq ".Reservations[].Instances[].InstanceId" -r | \
xargs aws ec2 start-instances --instance-ids
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