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-1.sh | 11 +++++++++++
 1 file changed, 11 insertions(+)
 create mode 100755 2017/01/puzzle-1.sh

(limited to '2017/01/puzzle-1.sh')

diff --git a/2017/01/puzzle-1.sh b/2017/01/puzzle-1.sh
new file mode 100755
index 0000000..2659fae
--- /dev/null
+++ b/2017/01/puzzle-1.sh
@@ -0,0 +1,11 @@
+#!/usr/bin/env sh
+
+sed '
+:l
+s/\(.\)\1/<\1>\1/g
+tl
+s/^\(.\)\(.*\)\1$/<\1>\2/
+s/>[0-9]*</+/g
+s/^[0-9]*<//
+s/>[0-9]*$//
+' input | bc
-- 
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