wget https://4dn-open-data-public.s3.amazonaws.com/fourfront-webprod/wfoutput/a0f870a9-4d57-4628-a7c7-d5f8c07afd85/4DNFIU7YQPGZ.bw
aws s3 cp s3://4dn-open-data-public/fourfront-webprod/wfoutput/a0f870a9-4d57-4628-a7c7-d5f8c07afd85/4DNFIU7YQPGZ.bw 4DNFIU7YQPGZ
test "f313936e5ee7cbb0eaeece07e965817b" = "$(md5sum undefined)"
drs get -d https://data.4dnucleome.org 4DNFIU7YQPGZ