wget https://4dn-open-data-public.s3.amazonaws.com/fourfront-webprod/wfoutput/15de170c-2210-42cb-bfa0-7b7d3f007d1c/4DNFIKAC7MSF.mcool
aws s3 cp s3://4dn-open-data-public/fourfront-webprod/wfoutput/15de170c-2210-42cb-bfa0-7b7d3f007d1c/4DNFIKAC7MSF.mcool 4DNFIKAC7MSF
test "e0f4dbe0c66f09bad33cf237428dc2df" = "$(md5sum undefined)"
drs get -d https://data.4dnucleome.org 4DNFIKAC7MSF