From 60052659b98832c78c902e4f27ecee2663d8e913 Mon Sep 17 00:00:00 2001
From: Sebastiano Tronto <sebastiano@tronto.net>
Date: Wed, 6 May 2026 08:30:49 +0200
Subject: Added scripts

---
 scripts/aoc | 52 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 52 insertions(+)
 create mode 100755 scripts/aoc

(limited to 'scripts/aoc')

diff --git a/scripts/aoc b/scripts/aoc
new file mode 100755
index 0000000..40f94ed
--- /dev/null
+++ b/scripts/aoc
@@ -0,0 +1,52 @@
+#!/bin/sh
+
+# Set up a working environment for Advent of Code (https://adventofcode.com/).
+# Requires tmux, lynx, curl and a valid AOC_SESSION_COOKIE session cookie.
+
+# usage: aoc [yyyy nn]
+# If yyyy (year) and nn (day, with leading zero if single digit) are not
+# specified, the current year and day are used.
+
+editor="vi a.py"
+basedir="$HOME/src/aoc"
+lynx_cookie_file="$(mktemp)"
+clibrowser="lynx -cookie_file=$lynx_cookie_file"
+
+year="${1:-$(date +'%Y')}"
+day="${2:-$(date +'%d')}"
+daynozero="$(echo "$day" | sed 's/^0//')"
+
+cd "$basedir/$year/$day"
+
+# Download the puzzle input and save it to input.txt
+if [ ! -e input.txt ]; then
+	url="https://adventofcode.com/$year/day/$daynozero/input"
+	curl "$url" -H "cookie: session=$AOC_SESSION_COOKIE" -o input.txt
+fi
+
+# Download the problem statement page and split out the code blocks
+url="https://adventofcode.com/$year/day/$daynozero"
+curl "$url" | sed -n '/<pre><code>/,/<\/code><\/pre>/ p' | (\
+	i=1
+	rm -f "code-$i.txt"
+	IFS=''
+	while read -r line; do
+		if [ "$line" = "</code></pre>" ]; then
+			i=$((i + 1))
+			rm -f "code-$i.txt"
+		else
+			echo "$line" | sed 's/<.*>//g' >> "code-$i.txt"
+		fi
+	done
+)
+
+# Open a tmux session with lynx in its own windows, and an editor and a
+# terminal in split view.
+printf 'adventofcode.com\tFALSE\t/\tTRUE\t2079722976\tsession\t%s' \
+	"$AOC_SESSION_COOKIE" > "$lynx_cookie_file"
+tmux new-session \; \
+	send-keys "$editor" C-m \; \
+	split-window -h \; \
+	select-pane -t 0 \; \
+	new-window \; \
+	send-keys "$clibrowser $url" C-m \;
-- 
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