Imports github.com/aws/aws-sdk-go/aws/session github.com/aws/aws-sdk-go/service/s3/s3manager github.com/aws/aws-sdk-go/service/s3 github.com/aws/aws-sdk-go/aws github.com/montanaflynn/stats Standard library imports bufio flag fmt io log net os path regexp compress/gzip text/tabwriter sort strconv strings sync time