From 3a9a8657cbd61c7303d82a3deed030f7ba0989e2 Mon Sep 17 00:00:00 2001
From: Rob Miller <r@robm.me.uk>
Date: Sun, 20 Mar 2022 20:47:19 +0000
Subject: [PATCH] sumlines: sum numeric input

---
 bin/sumlines | 3 +++
 1 file changed, 3 insertions(+)
 create mode 100755 bin/sumlines

diff --git a/bin/sumlines b/bin/sumlines
new file mode 100755
index 0000000..81bb1bd
--- /dev/null
+++ b/bin/sumlines
@@ -0,0 +1,3 @@
+#!/usr/bin/env ruby
+
+puts ARGF.each_line.map { |l| l.to_i }.reduce(&:+)