sumlines: sum numeric input

robmiller · Mar 20, 2022 · 3a9a865 · 3a9a865
1 parent ac3ab6e
commit 3a9a865
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/bin/sumlines b/bin/sumlines
@@ -0,0 +1,3 @@
+#!/usr/bin/env ruby
+
+puts ARGF.each_line.map { |l| l.to_i }.reduce(&:+)