wget https://4dn-open-data-public.s3.amazonaws.com/fourfront-webprod/wfoutput/9f81d389-2fe4-4ca8-9aa7-444e344c2920/4DNFICOGAKW2.mcool
aws s3 cp s3://4dn-open-data-public/fourfront-webprod/wfoutput/9f81d389-2fe4-4ca8-9aa7-444e344c2920/4DNFICOGAKW2.mcool 4DNFICOGAKW2
test "38a0f4ae55695e170fea483f7850c6d5" = "$(md5sum undefined)"
drs get -d https://data.4dnucleome.org 4DNFICOGAKW2