wget https://4dn-open-data-public.s3.amazonaws.com/fourfront-webprod/wfoutput/c467132f-7a11-4bcf-93fc-2fbe4d73c2e8/4DNFIFBTGWHN.bw
aws s3 cp s3://4dn-open-data-public/fourfront-webprod/wfoutput/c467132f-7a11-4bcf-93fc-2fbe4d73c2e8/4DNFIFBTGWHN.bw 4DNFIFBTGWHN
test "9f7453fea995707983ec560ef46d37bd" = "$(md5sum undefined)"
drs get -d https://data.4dnucleome.org 4DNFIFBTGWHN