wget https://4dn-open-data-public.s3.amazonaws.com/fourfront-webprod/wfoutput/8716c93d-1cc9-472a-9b01-2bdc1c781c37/4DNFIKAA9OMU.mcool
aws s3 cp s3://4dn-open-data-public/fourfront-webprod/wfoutput/8716c93d-1cc9-472a-9b01-2bdc1c781c37/4DNFIKAA9OMU.mcool 4DNFIKAA9OMU
test "b1ca927614eeb2d0f33829d66b97a9a4" = "$(md5sum undefined)"
drs get -d https://data.4dnucleome.org 4DNFIKAA9OMU