wget https://4dn-open-data-public.s3.amazonaws.com/fourfront-webprod/wfoutput/b881e16a-10eb-456f-9b7d-4c2af4ff95e4/4DNFIUXNOA7M.mcool
aws s3 cp s3://4dn-open-data-public/fourfront-webprod/wfoutput/b881e16a-10eb-456f-9b7d-4c2af4ff95e4/4DNFIUXNOA7M.mcool 4DNFIUXNOA7M
test "785c58001b0f18af838268c65a24d5d5" = "$(md5sum undefined)"
drs get -d https://data.4dnucleome.org 4DNFIUXNOA7M