wget https://4dn-open-data-public.s3.amazonaws.com/fourfront-webprod/wfoutput/c3fc65e9-d3ff-4ba7-8969-daf9ee399832/4DNFIBMUF5Y6.mcool
aws s3 cp s3://4dn-open-data-public/fourfront-webprod/wfoutput/c3fc65e9-d3ff-4ba7-8969-daf9ee399832/4DNFIBMUF5Y6.mcool 4DNFIBMUF5Y6
test "e94ac6e01a9fb773fb51b5c0ccd92666" = "$(md5sum undefined)"
drs get -d https://data.4dnucleome.org 4DNFIBMUF5Y6