/usr/share/doc/ruby-raindrops/examples/watcher.ru is in ruby-raindrops 0.19.0-1build2.
This file is owned by root:root, with mode 0o644.
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1 2 3 4 | # Sample standalone Rack application, recommended use is with Zbatery
# See zbatery.conf.rb
require "raindrops"
run Raindrops::Watcher.new
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