2 files changed, 14 insertions, 0 deletions

diff --git a/Makefile b/Makefile
index b89bba2..f97e502 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,7 @@
 PREFIX = /usr/local
 
 SCRIPTS =       2fa \
+                aocd \
                 battery-checknow \
                 battery-status \
                 clip \
diff --git a/aocd b/aocd
new file mode 100755
index 0000000..cab4060
--- /dev/null
+++ b/aocd
@@ -0,0 +1,13 @@
+#!/bin/sh
+
+# Download input from the Advent of Code website (https://adventofcode.com/).
+# Requires setting an AOC_SESSION_COOKIE variable with a valid session cookie.
+
+# usage: aocd [year n]
+# If year and n are not specified, the current year and day are used.
+
+YEAR="${1:-$(date +'%Y')}"
+DAY="${2:-$(date +'%d' | sed 's/^0//')}"
+URL="https://adventofcode.com/$YEAR/day/$DAY/input"
+
+curl "$URL" -H "cookie: session=$AOC_SESSION_COOKIE" -o input.txt