wget https://4dn-open-data-public.s3.amazonaws.com/fourfront-webprod/wfoutput/f414c11d-0b97-40af-af89-d8e5dcbf5a9e/4DNFIW2TAJ5R.mcool
aws s3 cp s3://4dn-open-data-public/fourfront-webprod/wfoutput/f414c11d-0b97-40af-af89-d8e5dcbf5a9e/4DNFIW2TAJ5R.mcool 4DNFIW2TAJ5R
test "1b0b96b9a12a5a6e0fc953a36e83307b" = "$(md5sum undefined)"
drs get -d https://data.4dnucleome.org 4DNFIW2TAJ5R