https://chrispenner.ca/posts/wc https://lib.rs/crates/wc-rs
http://chartmage.com/intro.html https://code2flow.com/
https://serverfault.com/questions/207356/view-content-of-memcached https://stackoverflow.com/questions/21659637/how-to-fix-sudo-no-tty-present-and-no-askpass-program-specified-error https://www.cyberciti.biz/faq/linux-unix-flush-contents-of-memcached-instance/
