wget https://4dn-open-data-public.s3.amazonaws.com/fourfront-webprod/wfoutput/f5b09540-d995-447f-9182-1352361d3ee5/4DNFIYHVZICV.bw
aws s3 cp s3://4dn-open-data-public/fourfront-webprod/wfoutput/f5b09540-d995-447f-9182-1352361d3ee5/4DNFIYHVZICV.bw 4DNFIYHVZICV
test "d4791e0d718147a1fa3b946f8a7086c0" = "$(md5sum undefined)"
drs get -d https://data.4dnucleome.org 4DNFIYHVZICV