wget https://4dn-open-data-public.s3.amazonaws.com/fourfront-webprod/wfoutput/ef0eba47-ada0-42bc-9329-5145b57ff33a/4DNFI5QJNFAT.mcool
aws s3 cp s3://4dn-open-data-public/fourfront-webprod/wfoutput/ef0eba47-ada0-42bc-9329-5145b57ff33a/4DNFI5QJNFAT.mcool 4DNFI5QJNFAT
test "18bd736467fd20ca0181698e119595e3" = "$(md5sum undefined)"
drs get -d https://data.4dnucleome.org 4DNFI5QJNFAT