wget https://4dn-open-data-public.s3.amazonaws.com/fourfront-webprod/wfoutput/d3464823-d28a-4415-939f-b646d047c2ca/4DNFI9PIEPQA.mcool
aws s3 cp s3://4dn-open-data-public/fourfront-webprod/wfoutput/d3464823-d28a-4415-939f-b646d047c2ca/4DNFI9PIEPQA.mcool 4DNFI9PIEPQA
test "77fe8896eca54dd84153d405dba0578a" = "$(md5sum undefined)"
drs get -d https://data.4dnucleome.org 4DNFI9PIEPQA