wget https://4dn-open-data-public.s3.amazonaws.com/fourfront-webprod/wfoutput/5381b839-e74a-40dd-885a-003327ad8631/4DNFIXS38AJN.mcool
aws s3 cp s3://4dn-open-data-public/fourfront-webprod/wfoutput/5381b839-e74a-40dd-885a-003327ad8631/4DNFIXS38AJN.mcool 4DNFIXS38AJN
test "22279969417201b88730755ffa7cfcbf" = "$(md5sum undefined)"
drs get -d https://data.4dnucleome.org 4DNFIXS38AJN