Key-Value Stores Aren't Simple

https://www.youtube.com/watch?v=cSzh7YwDvYI Two lines of bash, and you have a key-value store: db_set() { echo "$1,$2" >> /tmp/db; } db_get() { grep "^$1," /tmp/db | tail -1 | cut -d, -f2; } Append to a file. Grep what you wrote. Run it. It works. That's not a joke — it's the opening of Martin Klep