wget https://4dn-open-data-public.s3.amazonaws.com/fourfront-webprod/wfoutput/c54b0fe9-2532-47cf-8e6b-4b25d66c255f/4DNFI2RNFA4M.bw
aws s3 cp s3://4dn-open-data-public/fourfront-webprod/wfoutput/c54b0fe9-2532-47cf-8e6b-4b25d66c255f/4DNFI2RNFA4M.bw 4DNFI2RNFA4M
test "d794760fcd6e88b6f1ab0a2f97768b45" = "$(md5sum undefined)"
drs get -d https://data.4dnucleome.org 4DNFI2RNFA4M