wget https://4dn-open-data-public.s3.amazonaws.com/fourfront-webprod/wfoutput/4f1479a2-4226-4163-ba99-837f2c8f4ac0/4DNFI8DRD739.mcool
aws s3 cp s3://4dn-open-data-public/fourfront-webprod/wfoutput/4f1479a2-4226-4163-ba99-837f2c8f4ac0/4DNFI8DRD739.mcool 4DNFI8DRD739
test "63175fecf92a8e8c1dc07fd693cd7877" = "$(md5sum undefined)"
drs get -d https://data.4dnucleome.org 4DNFI8DRD739