wget https://4dn-open-data-public.s3.amazonaws.com/fourfront-webprod/wfoutput/b6b9b260-0cdd-45fe-89e4-6a659759e274/4DNFIQYVU5SD.mcool
aws s3 cp s3://4dn-open-data-public/fourfront-webprod/wfoutput/b6b9b260-0cdd-45fe-89e4-6a659759e274/4DNFIQYVU5SD.mcool 4DNFIQYVU5SD
test "1eca655d0e8648727518d064a486cbd8" = "$(md5sum undefined)"
drs get -d https://data.4dnucleome.org 4DNFIQYVU5SD