wget https://4dn-open-data-public.s3.amazonaws.com/fourfront-webprod/wfoutput/251aa16b-7789-4201-852d-e6f0c510ecef/4DNFI2XGP1BW.mcool
aws s3 cp s3://4dn-open-data-public/fourfront-webprod/wfoutput/251aa16b-7789-4201-852d-e6f0c510ecef/4DNFI2XGP1BW.mcool 4DNFI2XGP1BW
test "46c1bc22e3917d65065b402a39dd9dc8" = "$(md5sum undefined)"
drs get -d https://data.4dnucleome.org 4DNFI2XGP1BW