wget https://4dn-open-data-public.s3.amazonaws.com/fourfront-webprod/files/a12af031-e37e-466d-b726-32264cd67d11/4DNFIYWOA37D.flex
aws s3 cp s3://4dn-open-data-public/fourfront-webprod/files/a12af031-e37e-466d-b726-32264cd67d11/4DNFIYWOA37D.flex 005010017.flex
test "6f4e6ce87e307ffef065252721e13281" = "$(md5sum 005010017.flex)"
drs get -d https://data.4dnucleome.org 4DNFIYWOA37D