wget https://4dn-open-data-public.s3.amazonaws.com/fourfront-webprod/wfoutput/6632c0b5-d642-4714-805f-980b120421cf/4DNFITSJBJ9G.mcool
aws s3 cp s3://4dn-open-data-public/fourfront-webprod/wfoutput/6632c0b5-d642-4714-805f-980b120421cf/4DNFITSJBJ9G.mcool 4DNFITSJBJ9G
test "5b2b7ca69f413cd84972c06ba95e72b2" = "$(md5sum undefined)"
drs get -d https://data.4dnucleome.org 4DNFITSJBJ9G