wget https://4dn-open-data-public.s3.amazonaws.com/fourfront-webprod/wfoutput/aa717c8a-8f4a-49b9-a265-6c09c6a1a6e7/4DNFIYF5BWJB.bw
aws s3 cp s3://4dn-open-data-public/fourfront-webprod/wfoutput/aa717c8a-8f4a-49b9-a265-6c09c6a1a6e7/4DNFIYF5BWJB.bw 4DNFIYF5BWJB
test "d30b51cb8d7cc3f40ae5f8fe45df655a" = "$(md5sum undefined)"
drs get -d https://data.4dnucleome.org 4DNFIYF5BWJB