wget https://4dn-open-data-public.s3.amazonaws.com/fourfront-webprod/wfoutput/c0624647-33c8-4569-8c43-d6a20eb35e68/4DNFID3C4PNI.bw
aws s3 cp s3://4dn-open-data-public/fourfront-webprod/wfoutput/c0624647-33c8-4569-8c43-d6a20eb35e68/4DNFID3C4PNI.bw 4DNFID3C4PNI
test "56c9657df77283d8ff4ca12a0dc55a4c" = "$(md5sum undefined)"
drs get -d https://data.4dnucleome.org 4DNFID3C4PNI