wget https://4dn-open-data-public.s3.amazonaws.com/fourfront-webprod/files/435bf710-0ce1-48fd-8031-eda02344b80b/4DNFISTCIQ45.flex
aws s3 cp s3://4dn-open-data-public/fourfront-webprod/files/435bf710-0ce1-48fd-8031-eda02344b80b/4DNFISTCIQ45.flex 006009001.flex
test "84e537a379e6045b31f57c4752a2f397" = "$(md5sum 006009001.flex)"
drs get -d https://data.4dnucleome.org 4DNFISTCIQ45