wget https://4dn-open-data-public.s3.amazonaws.com/fourfront-webprod/wfoutput/77301338-e558-4639-9da0-e98bde8a3834/4DNFI2ZUCIHD.mcool
aws s3 cp s3://4dn-open-data-public/fourfront-webprod/wfoutput/77301338-e558-4639-9da0-e98bde8a3834/4DNFI2ZUCIHD.mcool 4DNFI2ZUCIHD
test "757d737a83ba698f8a7ec7b95266bdf9" = "$(md5sum undefined)"
drs get -d https://data.4dnucleome.org 4DNFI2ZUCIHD