wget https://4dn-open-data-public.s3.amazonaws.com/fourfront-webprod/wfoutput/755e6a3a-e730-44be-8e1d-0ef0c7d038c8/4DNFIXVAKX9Q.mcool
aws s3 cp s3://4dn-open-data-public/fourfront-webprod/wfoutput/755e6a3a-e730-44be-8e1d-0ef0c7d038c8/4DNFIXVAKX9Q.mcool 4DNFIXVAKX9Q
test "b5a23b0ead4cc69fa1fc86d728fb3f43" = "$(md5sum undefined)"
drs get -d https://data.4dnucleome.org 4DNFIXVAKX9Q