wget https://4dn-open-data-public.s3.amazonaws.com/fourfront-webprod/wfoutput/5b657e62-73b3-4c7e-b6d4-34cf561b0a08/4DNFI1416RGH.mcool
aws s3 cp s3://4dn-open-data-public/fourfront-webprod/wfoutput/5b657e62-73b3-4c7e-b6d4-34cf561b0a08/4DNFI1416RGH.mcool 4DNFI1416RGH
test "81a17b688b41471aee65f415e155c540" = "$(md5sum undefined)"
drs get -d https://data.4dnucleome.org 4DNFI1416RGH