wget https://4dn-open-data-public.s3.amazonaws.com/fourfront-webprod/wfoutput/042914a5-7fce-4e79-86ef-af0beb774554/4DNFIFQJC7ZZ.bw
aws s3 cp s3://4dn-open-data-public/fourfront-webprod/wfoutput/042914a5-7fce-4e79-86ef-af0beb774554/4DNFIFQJC7ZZ.bw 4DNFIFQJC7ZZ
test "4cb9388f28e1d82cf15edbc5e5c433b9" = "$(md5sum undefined)"
drs get -d https://data.4dnucleome.org 4DNFIFQJC7ZZ