ex24.rb

puts "Let's practice everything."
puts 'You\'d need to know \'bout escape with \\ that do \n newlines and \t tabs'

# the <<DOC is a heredoc. The first word doesn't matter as long as you end with it and it's all caps
poem = <<DOC
\tThe lovely world
with logic so firmly planted
cannot discern \n the needs of love
nor comprehend passion from intuition
and requires an explanation
\n\t\twhere there is none.
DOC

puts "------------------"
puts poem
puts "------------------"

five = 10 - 2 + 3 - 6
puts "This should be five: #{five}"

def secret_formula(started)
	jelly_beans = started * 500
	jars = jelly_beans / 1000
	crates = jars / 100
	return jelly_beans, jars, crates
end

start_point = 10000
beans, jars, crates = secret_formula(start_point)

puts "With a starting point of: #{start_point}"
puts "We'd have #{beans} beans, #{jars} jars, and #{crates} crates."

# The book calls this a "C" style of inserting variables
start_point = start_point / 10
puts "We can also do that this way:"
puts "We'd have %s beans, %d jars, and %d creates." % secret_formula(start_point)
# %s = symbols
# %d = whole numbers only