wget https://4dn-open-data-public.s3.amazonaws.com/fourfront-webprod/wfoutput/7348ecdd-9285-4034-a619-44f34652f335/4DNFIY5IVS57.mcool
aws s3 cp s3://4dn-open-data-public/fourfront-webprod/wfoutput/7348ecdd-9285-4034-a619-44f34652f335/4DNFIY5IVS57.mcool 4DNFIY5IVS57
test "f6232b463e2f0d04236c24dc2bf2d645" = "$(md5sum undefined)"
drs get -d https://data.4dnucleome.org 4DNFIY5IVS57