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Advent of Code command-line tool.
Read Advent of Code puzzle descriptions, download puzzle input, submit answers and check if they are correct, all from the comfort of your terminal.
- Validate arguments (year, day, part) and check if puzzle is unlocked.
- Infer puzzle day when possible (last unlocked puzzle during Advent of Code month).
- If year is not provided, it is assumed to be the current or the last Advent of Code event.
- Load Advent of Code session cookie from a file.
- Install a recent version of Rust using rustup or update it with:
# rustup update
aoc-cli relies on openssl-sys, which
requires OpenSSL libraries and headers for compiling it. On Linux, you need
to install a package with OpenSSL development headers such as libssl-dev or
openssl-devel.
- Install
aoc-cli:
git clone https://github.com/tectrixer/aoc-cli
cargo install --path .
Different Advent of Code users get different puzzle input. To download your
input and submit your answer, you need an adventofcode.com session cookie. To
obtain your session cookie, login to the
Advent of Code website and inspect the session
value of the cookie that gets stored in your browser. Put the session number (a
long hex string) in a file called .adventofcode.session in your home
directory. This file should only contain your session number, in a single line.
# aoc help
Advent of Code command-line helper tool
Usage: aoc [OPTIONS] [COMMAND]
Commands:
read Read puzzle statement (the default command) [aliases: r]
download Download puzzle input [aliases: d]
submit Submit puzzle answer [aliases: s]
help Print this message or the help of the given subcommand(s)
Options:
-d, --day <DAY> Puzzle day [default: last unlocked day (during Advent of Code month)]
-y, --year <YEAR> Puzzle year [default: year of current or last Advent of Code event]
-s, --session <PATH> Path to session cookie file [default: ~/.adventofcode.session]
-f, --file <PATH> Path where to save puzzle input [default: input]
-w, --width <WIDTH> Width at which to wrap output [default: terminal width]
-h, --help Print help information
-V, --version Print version information
# aoc help submit
Submit puzzle answer
Usage: aoc submit <PART> <ANSWER>
Arguments:
<PART> Puzzle part [possible values: 1, 2]
<ANSWER> Puzzle answer
Options:
-h, --help Print help information
Read today's puzzle (if today is an Advent of Code day) in plain text from the comfort of your terminal:
# aoc read
## --- Day 5: Binary Boarding ---
You board your plane only to discover a new problem: you dropped your boarding
pass! You aren't sure which seat is yours, and all of the flight attendants are
busy with the flood of people that suddenly made it through passport control.
...
Download input for today's puzzle and save it to a file named "input" on the current directory:
# aoc download
Loaded session cookie from "/home/user/.adventofcode.session".
Downloading input for day 5, 2020...
Saving puzzle input to "input"...
Done!
Submit the answer to part 1 of today's puzzle (in this example, the answer is 999):
# aoc submit 1 999
Loaded session cookie from "/home/user/.adventofcode.session".
Submitting answer for part 1, day 5, 2020...
That's the right answer! You are one gold star closer to saving your vacation. [[Continue to Part Two]][1]
[1] /2020/day/5#part2
Any prefix of a command can be used instead of the full command name. For instance:
- Instead of
aoc read, typeaoc r,aoc reoraoc rea. - Instead of
aoc download, typeaoc d,aoc do,aoc dow,aoc down, etc. - Instead of
aoc submit, typeaoc s,aoc su,aoc sub, etc.
Download the input from a previous day (assumes the current year):
# aoc download --day 1
Loaded session cookie from "/home/user/.adventofcode.session".
Downloading input for day 1, 2020...
Saving puzzle input to "input"...
Done!
Download the input from a previous year and save it to a file with a given name:
# aoc download --year 2015 --day 1 --file /home/user/aoc/2015/1/input
An attempt to download the input of a puzzle that is still locked fails (puzzles unlock every day between 1st and 25th of December at midnight EST/UTC-5):
# aoc download --year 2030 --day 25
Loaded session cookie from "/home/user/.adventofcode.session".
Error: Puzzle 25 of 2030 is still locked.
Submit the answer to a previous year:
# aoc s 1 999 -y 2015 -d 1
Specify path to session cookie file:
# aoc download --session /tmp/.aoc.session
Feedback and pull requests are welcome.
Advent of Code is a free online Advent calendar of small programming puzzles created by Eric Wastl and maintained by volunteers. Please consider supporting their work.
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