FileParser.rb

class FileParser

        def find_line(file_name, line_number)
                current_file = open(filename)
                array_of_lines = []
                while current_line = current_file.gets
                        array_of_lines << current_line
                end
                array_of_lines[line_number]
        ensure
                current_file.close if current_file
        end
end