wget https://4dn-open-data-public.s3.amazonaws.com/fourfront-webprod/wfoutput/1cd67585-65ae-4334-a8ba-35428a95ab20/4DNFI3UNF9VB.mcool
aws s3 cp s3://4dn-open-data-public/fourfront-webprod/wfoutput/1cd67585-65ae-4334-a8ba-35428a95ab20/4DNFI3UNF9VB.mcool 4DNFI3UNF9VB
test "a21ca9da6c807216eaee6b4067d40ced" = "$(md5sum undefined)"
drs get -d https://data.4dnucleome.org 4DNFI3UNF9VB