wget https://4dn-open-data-public.s3.amazonaws.com/fourfront-webprod/wfoutput/b7839e92-623b-47f2-879a-401ca711a404/4DNFI3UM31UB.bw
aws s3 cp s3://4dn-open-data-public/fourfront-webprod/wfoutput/b7839e92-623b-47f2-879a-401ca711a404/4DNFI3UM31UB.bw 4DNFI3UM31UB
test "d9ecd2a83b5ed06a2b29c58c976d58c8" = "$(md5sum undefined)"
drs get -d https://data.4dnucleome.org 4DNFI3UM31UB