wget https://4dn-open-data-public.s3.amazonaws.com/fourfront-webprod/wfoutput/ed802b5a-6372-431d-8d3b-c76f4e809e18/4DNFI1SD65UM.mcool
aws s3 cp s3://4dn-open-data-public/fourfront-webprod/wfoutput/ed802b5a-6372-431d-8d3b-c76f4e809e18/4DNFI1SD65UM.mcool 4DNFI1SD65UM
test "3cd9da5bc0b9951966c6489e1407d612" = "$(md5sum undefined)"
drs get -d https://data.4dnucleome.org 4DNFI1SD65UM