wget https://4dn-open-data-public.s3.amazonaws.com/fourfront-webprod/wfoutput/17798f83-042b-4dc1-9c8d-cfb29f62cab9/4DNFI3NG5PBI.mcool
aws s3 cp s3://4dn-open-data-public/fourfront-webprod/wfoutput/17798f83-042b-4dc1-9c8d-cfb29f62cab9/4DNFI3NG5PBI.mcool 4DNFI3NG5PBI
test "3a6e8cf2e243846d2ff5ff8bad6506d6" = "$(md5sum undefined)"
drs get -d https://data.4dnucleome.org 4DNFI3NG5PBI