From 13f17fb1180375e64e02d1a3b9bc5faacc14c588 Mon Sep 17 00:00:00 2001
From: Thomas Voss <thomasvoss@live.com>
Date: Fri, 3 Dec 2021 14:14:40 +0100
Subject: Add 2017 Day 1 solutions

---
 2017/01/puzzle-2.sh | 6 ++++++
 1 file changed, 6 insertions(+)
 create mode 100755 2017/01/puzzle-2.sh

(limited to '2017/01/puzzle-2.sh')

diff --git a/2017/01/puzzle-2.sh b/2017/01/puzzle-2.sh
new file mode 100755
index 0000000..f16db44
--- /dev/null
+++ b/2017/01/puzzle-2.sh
@@ -0,0 +1,6 @@
+#!/usr/bin/env sh
+
+trap 'rm -f xa[ab]' EXIT
+mid=$((`tr -d '\n' <input | wc -c` / 2))
+sed 's/./&\n/g; s/\n$//' input | split -l $mid
+paste xa[ab] | awk '$1 == $2 { s += $1 + $2 } END { print s }'
-- 
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