wget https://4dn-open-data-public.s3.amazonaws.com/fourfront-webprod/wfoutput/4a27a402-9121-43f9-8dcc-489964a31068/4DNFI49AKWWI.mcool
aws s3 cp s3://4dn-open-data-public/fourfront-webprod/wfoutput/4a27a402-9121-43f9-8dcc-489964a31068/4DNFI49AKWWI.mcool 4DNFI49AKWWI
test "ac7c91854f0f436adad4d583e84ec11f" = "$(md5sum undefined)"
drs get -d https://data.4dnucleome.org 4DNFI49AKWWI