wget https://4dn-open-data-public.s3.amazonaws.com/fourfront-webprod/wfoutput/7764e94b-6abd-4c6f-bf27-c952880328d5/4DNFIB5DNVSQ.mcool
aws s3 cp s3://4dn-open-data-public/fourfront-webprod/wfoutput/7764e94b-6abd-4c6f-bf27-c952880328d5/4DNFIB5DNVSQ.mcool 4DNFIB5DNVSQ
test "07c9e4d023abad460ccb07b77668809e" = "$(md5sum undefined)"
drs get -d https://data.4dnucleome.org 4DNFIB5DNVSQ