wget https://4dn-open-data-public.s3.amazonaws.com/fourfront-webprod/wfoutput/d62ac53a-4bfc-4184-ad26-762477de727b/4DNFILP99QJS.mcool
aws s3 cp s3://4dn-open-data-public/fourfront-webprod/wfoutput/d62ac53a-4bfc-4184-ad26-762477de727b/4DNFILP99QJS.mcool 4DNFILP99QJS
test "5464e25acf49786ecbd34d4904f6b6e1" = "$(md5sum undefined)"
drs get -d https://data.4dnucleome.org 4DNFILP99QJS