text_analyzer.rb

filename = ARGV[0]

class Analyzer

	attr_reader :text

	def initialize(filename)
		@file = File.open(filename, "r+")
		@text = generate_text
		@file.close
	end

	def line_count
		@file.readlines.length
	end

	def character_count
		@text.clone.gsub(/\s+/, '').length
	end

	def total_length
		@text.length
	end

	def words_count
		@text.split.length
	end

	def sentence_count
		@text.split(/\.|\?|\!/).length
	end

	def paragraph_count
		@text.split(/\n\n/).length
	end

	def averages
		puts "#{sentence_count / paragraph_count} sentences per paragraph (average)."
		puts "#{words_count / sentence_count} words per sentence (average)."
	end

	private

	def generate_text
		string = ''
		@file.each { |line| string << line }
		string
	end

end

test = Analyzer.new(filename)
test.averages