wget https://4dn-open-data-public.s3.amazonaws.com/fourfront-webprod/wfoutput/a5461376-a0a5-4076-af11-b73af3f1e7ae/4DNFI3MSA78Q.mcool
aws s3 cp s3://4dn-open-data-public/fourfront-webprod/wfoutput/a5461376-a0a5-4076-af11-b73af3f1e7ae/4DNFI3MSA78Q.mcool 4DNFI3MSA78Q
test "4c1267780751a4fd4b9f22e4c0d3fc2d" = "$(md5sum undefined)"
drs get -d https://data.4dnucleome.org 4DNFI3MSA78Q