wget https://4dn-open-data-public.s3.amazonaws.com/fourfront-webprod/wfoutput/fd68476e-f0f8-4a41-bf6d-92ecf1941e99/4DNFI3HNIMYF.mcool
aws s3 cp s3://4dn-open-data-public/fourfront-webprod/wfoutput/fd68476e-f0f8-4a41-bf6d-92ecf1941e99/4DNFI3HNIMYF.mcool 4DNFI3HNIMYF
test "2208c6054255cd6d0696d1127f5b776b" = "$(md5sum undefined)"
drs get -d https://data.4dnucleome.org 4DNFI3HNIMYF