wget https://4dn-open-data-public.s3.amazonaws.com/fourfront-webprod/wfoutput/4c143dd1-0b44-4bdb-b501-32ccc3bbca1b/4DNFIF7DNLB6.mcool
aws s3 cp s3://4dn-open-data-public/fourfront-webprod/wfoutput/4c143dd1-0b44-4bdb-b501-32ccc3bbca1b/4DNFIF7DNLB6.mcool 4DNFIF7DNLB6
test "e8350f71e4c7cd22d4ab3f46df8837d3" = "$(md5sum undefined)"
drs get -d https://data.4dnucleome.org 4DNFIF7DNLB6