#!/usr/bin/env ruby -w
#
# Table of Contents
# "Learn to Program" by Chris Pine, p. 63
#

toc = [
	[1, 'Getting Started', 1],
	[2, 'Numbers', 9],
	[3, 'letters', 13],
]

width  = 80
column = width / 3
sub_column = column / 2

puts 'Table of Contents'.center(width)
puts

toc.each do | line |
	(chapter, title, page) = line

	chapter = 'Chapter ' + chapter.to_s

	print	chapter.ljust(column),
		title.ljust(column),
		'page '.ljust(sub_column),
		page.to_s.rjust(sub_column),
		"\n"
	
end

puts