toc

toc.rb

#Getting Started,1 
#Numbers,9 
#Letters,13
#Variables and Assignment,21
#Mixing It Up,25
#More About Methods,33

require 'csv'

class TableOfContents

  def initialize
    @toc_header = "Table of Contents"
    @toc_bar = "---------------------------------------------------------"
    @toc = CSV.read("toc_book.csv", "r")
  end

  def print_toc
    print_toc_header
    print_toc_body
  end

  def print_toc_header
    puts @toc_header.center(58) + "\n" + @toc_bar
  end

  def print_toc_body
    @toc.each_with_index do |element,index,length = 38|
      print "Chapter #{index+1}:   #{element[0]}"
      (length - element[0].length).times {|i| print "."}
      print "p. #{element[1]}" + "\n"
    end
  end

end

toc = TableOfContents.new
toc.print_toc