Advent of Babashka

A project for doing Advent of Code using babashka and nbb.

To install babashka, check here. It is recommended to use version 1.0.167 or higher. To install nbb: npm install -g nbb@latest. Nbb 1.1.151 or higher is required.

The first puzzle is in src/aoc22/day01.cljc. You can execute part 1 in both bb and nbb using:

$ bb -x aoc22.day01/part-1 [...args]
$ nbb -x aoc22.day01/part-1 [...args]

Each solution can take parameters from the command line if necessary. Arguments are parsed using babashka.cli:

$ bb -x clojure.core/prn --flag --option 1
{:flag true, :option 1}

You can also use Clojure JVM with the same argument parsing:

clj -M:cli clojure.core/prn --flag --option 1
{:flag true, :option 1}

Generating stub for new day

To generate a stub for a new day, run:

$ bb new-day --year 22 --day 2

The --year currently defaults to 22.

Downloading input

To download your puzzle input from the Advent of Code website automatically, set the AOC_SESSION environment variable to your Advent of Code session cookie. You can find this by going to your browser's developer console.

You can also just download your puzzle input manually.

Github Codespaces

To use this template in Github Codespaces, click Use this template > Open in a codespace.

To install babashka, run

sudo bash < <(curl -s https://raw.githubusercontent.com/babashka/babashka/master/install)

To install nbb, run:

npm install -g nbb@latest

Nbb startup

If you want to install nbb locally in the project, run npm install nbb@latest and use node_modules/.bin/nbb instead run nbb (this starts faster than npx nbb).

External tools

• Create AoC badges

License

This code is unlicensed, you can fork / clone it and use it however you want.