wget https://4dn-open-data-public.s3.amazonaws.com/fourfront-webprod/wfoutput/d6000dff-b47f-4aed-900d-a929c399d808/4DNFINSRKHAR.mcool
aws s3 cp s3://4dn-open-data-public/fourfront-webprod/wfoutput/d6000dff-b47f-4aed-900d-a929c399d808/4DNFINSRKHAR.mcool 4DNFINSRKHAR
test "cda991b2a370564cb2c6d8be91f886db" = "$(md5sum undefined)"
drs get -d https://data.4dnucleome.org 4DNFINSRKHAR