wget https://4dn-open-data-public.s3.amazonaws.com/fourfront-webprod/wfoutput/3580bffc-aa20-4757-99dc-f203d76c52e9/4DNFIBKZ3QIK.mcool
aws s3 cp s3://4dn-open-data-public/fourfront-webprod/wfoutput/3580bffc-aa20-4757-99dc-f203d76c52e9/4DNFIBKZ3QIK.mcool 4DNFIBKZ3QIK
test "7429ab8e4cec5974e8766fa0f83e3b6d" = "$(md5sum undefined)"
drs get -d https://data.4dnucleome.org 4DNFIBKZ3QIK