wget https://4dn-open-data-public.s3.amazonaws.com/fourfront-webprod/wfoutput/29d02f26-3fdc-43bf-ba3a-1fb32bc38e7b/4DNFI6FPEEIH.mcool
aws s3 cp s3://4dn-open-data-public/fourfront-webprod/wfoutput/29d02f26-3fdc-43bf-ba3a-1fb32bc38e7b/4DNFI6FPEEIH.mcool 4DNFI6FPEEIH
test "9f3ee1fec07c5686903a9b7fadf73132" = "$(md5sum undefined)"
drs get -d https://data.4dnucleome.org 4DNFI6FPEEIH