```ruby
require 'coderay'
require_relative '../specifications/filename_specification'

module RealWorldRails
  module Inspectors
    class Inspector

      class << self
        attr_accessor :filename_specification
      end

      def self.inspects(*specifications)
        self.filename_specification = Specifications::FilenameSpecification.new(*specifications)
      end

      def run
        filenames.each { |filename| inspect_file(filename) }
      end

      def filenames
        glob_pattern = ENV.fetch('FILES_PATTERN', files_pattern)
        Dir.glob(glob_pattern).select { |filename| inspectable?(filename) }
      end

      def files_pattern
        "apps/**/*.rb"
      end

      def inspectable?(filename)
        self.class.filename_specification.satisfied_by? filename
      end

      def inspect_file(filename)
        buffer = create_buffer(filename)
        ast = parser.reset.parse(buffer)
        processor.process(ast)
      end

      def create_buffer(filename)
        Parser::Source::Buffer.new(filename).read
      end

      def parser
        @parser ||= ParserFactory.create
      end

      def processor
        @processor ||= create_processor
      end

      def create_processor
        processor_class_name = "#{self.class}::Processor"
        processor_class = Object.const_get processor_class_name
        processor_class.new
      end

      def formatted_filename(filename)
        "File: #{filename}"
      end

      def pretty_print_source(source)
        puts CodeRay::Duo[:ruby, :terminal].highlight(source)
      end

      class BaseProcessor < Parser::AST::Processor
        def formatted_filename(filename)
          "File: #{filename}"
        end

        def pretty_print_source(source)
          puts CodeRay::Duo[:ruby, :terminal].highlight(source)
        end
      end

    end
  end
end
```

Use pretty print powers from Printer module
user
```ruby
require 'coderay'
require_relative '../printer'
require_relative '../specifications/filename_specification'

module RealWorldRails
  module Inspectors
    class Inspector
      include Printer

      class << self
        attr_accessor :filename_specification
      end

      def self.inspects(*specifications)
        self.filename_specification = Specifications::FilenameSpecification.new(*specifications)
      end

      def run
        filenames.each { |filename| inspect_file(filename) }
      end

      def filenames
        glob_pattern = ENV.fetch('FILES_PATTERN', files_pattern)
        Dir.glob(glob_pattern).select { |filename| inspectable?(filename) }
      end

      def files_pattern
        "apps/**/*.rb"
      end

      def inspectable?(filename)
        self.class.filename_specification.satisfied_by? filename
      end

      def inspect_file(filename)
        buffer = create_buffer(filename)
        ast = parser.reset.parse(buffer)
        processor.process(ast)
      end

      def create_buffer(filename)
        Parser::Source::Buffer.new(filename).read
      end

      def parser
        @parser ||= ParserFactory.create
      end

      def processor
        @processor ||= create_processor
      end

      def create_processor
        processor_class_name = "#{self.class}::Processor"
        processor_class = Object.const_get processor_class_name
        processor_class.new
      end

      class BaseProcessor < Parser::AST::Processor
        include Printer
      end

    end
  end
end
```
assistant