wget https://4dn-open-data-public.s3.amazonaws.com/fourfront-webprod/wfoutput/f68474c8-69e9-41ab-b25f-365866e441b0/4DNFI5BB9YAI.bw
aws s3 cp s3://4dn-open-data-public/fourfront-webprod/wfoutput/f68474c8-69e9-41ab-b25f-365866e441b0/4DNFI5BB9YAI.bw 4DNFI5BB9YAI
test "02a1768a0d7fc1dcc0743f8c68d266ad" = "$(md5sum undefined)"
drs get -d https://data.4dnucleome.org 4DNFI5BB9YAI