wget https://4dn-open-data-public.s3.amazonaws.com/fourfront-webprod/wfoutput/0dcb5be8-2655-4efc-a706-a26ad3f9f049/4DNFIFEWVP5Z.mcool
aws s3 cp s3://4dn-open-data-public/fourfront-webprod/wfoutput/0dcb5be8-2655-4efc-a706-a26ad3f9f049/4DNFIFEWVP5Z.mcool 4DNFIFEWVP5Z
test "cade354b32826ec43d358c54dd7727b9" = "$(md5sum undefined)"
drs get -d https://data.4dnucleome.org 4DNFIFEWVP5Z