下面给出的命令是否可用于删除早于月份的AWS EC2快照.
aws describe-snapshots | grep -v(日期+%Y-%m - )| grep snap- | awk'{print $ 2}'| xargs -n 1 -t aws delete-snapshot
amazon-ec2 amazon-web-services
amazon-ec2 ×1
amazon-web-services ×1