http://docs.aws.amazon.com/cli/latest/userguide/using-s3-commands.
aws s3 sync <source> <target> [--options]
Download all from s3 folder to local folder
aws s3 sync s3://my.bucket/some-folder some-folder/
http://docs.aws.amazon.com/cli/latest/userguide/using-s3-commands.
aws s3 sync <source> <target> [--options]
Download all from s3 folder to local folder
aws s3 sync s3://my.bucket/some-folder some-folder/