AWS S3 How to Find Files with by Keyword

open cmd
run command :

aws s3api list-objects --bucket BUCKETNAME --prefix FOLDERNAME1/FOLDERNAME2/ --output json --query "Contents[?contains(Key, `SearchKeyword`)]"

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How to sum :

aws s3api list-objects --bucket BUCKETNAME --prefix FOLDERNAME1/FOLDERNAME2/ --output json --query "[sum(Contents[?contains(Key, `SearchKeyword`)].Size), length(Contents[?contains(Key, `SearchKeyword`)])]"