wget https://4dn-open-data-public.s3.amazonaws.com/fourfront-webprod/wfoutput/8ab097f4-824b-4584-a8cc-266c7659d584/4DNFIYVFZBFV.mcool
aws s3 cp s3://4dn-open-data-public/fourfront-webprod/wfoutput/8ab097f4-824b-4584-a8cc-266c7659d584/4DNFIYVFZBFV.mcool 4DNFIYVFZBFV
test "09dc1c808a617e414b5e5b90e5a60fd5" = "$(md5sum undefined)"
drs get -d https://data.4dnucleome.org 4DNFIYVFZBFV