wget https://4dn-open-data-public.s3.amazonaws.com/fourfront-webprod/wfoutput/b7fa711b-7162-4847-895f-18fbcf633d42/4DNFIYZCUL6J.bw
aws s3 cp s3://4dn-open-data-public/fourfront-webprod/wfoutput/b7fa711b-7162-4847-895f-18fbcf633d42/4DNFIYZCUL6J.bw 4DNFIYZCUL6J
test "4bc351d31ea0b0fb180376dc7a6a0322" = "$(md5sum undefined)"
drs get -d https://data.4dnucleome.org 4DNFIYZCUL6J