wget https://4dn-open-data-public.s3.amazonaws.com/fourfront-webprod/wfoutput/866b3052-4d01-48f2-a90c-a48e1fa066bb/4DNFIL5WQPIY.mcool
aws s3 cp s3://4dn-open-data-public/fourfront-webprod/wfoutput/866b3052-4d01-48f2-a90c-a48e1fa066bb/4DNFIL5WQPIY.mcool 4DNFIL5WQPIY
test "bce50471a50ccf64f8a6da8f4b42421a" = "$(md5sum undefined)"
drs get -d https://data.4dnucleome.org 4DNFIL5WQPIY