wget https://4dn-open-data-public.s3.amazonaws.com/fourfront-webprod/wfoutput/a0a0c2d4-a6d9-4a26-b730-cb45bc85ba93/4DNFI5B1QMWX.mcool
aws s3 cp s3://4dn-open-data-public/fourfront-webprod/wfoutput/a0a0c2d4-a6d9-4a26-b730-cb45bc85ba93/4DNFI5B1QMWX.mcool 4DNFI5B1QMWX
test "5efa3dfe954e645e8efc2dc24a9a2aac" = "$(md5sum undefined)"
drs get -d https://data.4dnucleome.org 4DNFI5B1QMWX