Detect file encoding to current dir .rb files

	encodings = []
	not_utf8 = []
	Dir.glob(Dir.new(".").path + '/**/*.rb') do |file|
	contents = File.read(file)
	detection = CharlockHolmes::EncodingDetector.detect(contents)
	encodings << detection[:encoding]
	not_utf8 << {file: file, detection: detection} unless "UTF-8" == detection[:encoding]
	end
	pp encodings.uniq
	pp not_utf8

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