check_lines.rb

BASE_PATH = File.expand_path("~/Repositories/beauty")
LINE_LENGTH_THRESHOLD = 150

above, total = 0, 0

Dir[File.join(BASE_PATH, "**/*.rb")].each do |path|
  contents = File.readlines(path)
  above += contents.count { |line| line.length > LINE_LENGTH_THRESHOLD }
  total += contents.size
end

puts "There are #{above}/#{total} (#{(above.to_f / total * 100).round(2)}%) lines above #{LINE_LENGTH_THRESHOLD} characters"

# There are 1366/13052 (10.47%) lines above 80 characters
# There are 314/13052 (2.41%) lines above 120 characters
# There are 120/13052 (0.92%) lines above 150 characters