jomontanari

book('Charlie and the chocolate factory', 'Roald Dahl').
book('Boy', 'Roald Dahl').
book('Oliver Twist', 'Charles Dickens').
book('A Christmas Carol', 'Charles Dickens').
book('1984', 'George Orwell').

jomontanari

Builder := Object clone

Builder indent := 0

Builder writeIndent := method(for(i, 1, indent, "    " print))

Builder forward := method(
	self writeIndent
	writeln("<", call message name, ">")
	indent = indent +1

jomontanari

loop_fib := method(limit, 
	fib_sequence := list(1, 1)
	i := 2
	while (i <= limit, i = i + 1; fib_sequence append(fib_sequence last + fib_sequence at((fib_sequence size) - 2)))
	fib_sequence at(limit-1)
)

loop_fib(1) println
loop_fib(4) println

jomontanari

1 + 1 println
(1 + "one") println

jomontanari

class CsvRow
  def initialize(headers, row)
    @headers = headers
    @row = row
  end

  def method_missing name
    unless @headers.index(name.to_s).nil?
      @row[@headers.index(name.to_s)]
    end

jomontanari

# With block - closes file automatically
File.open("test.txt") do |file|
  puts file.readlines
end

# Without block
file = File.open("test.txt")
puts file.readlines
file.close

jomontanari

#Print the string Hello World
puts "Hello, World"

#Find the index of Ruby in "Hello, Ruby"
"Hello, Ruby".index("Ruby")

#Print your name 10 times
(1..10).each do 
    puts "Jo Cranford"
end

jomontanari

puts "What's the maximum number?"
max_num = gets().to_i
number_to_guess = rand(max_num + 1)

puts "Thinking of a number between 0 and #{max_num} ... OK."
guess = nil

while guess != number_to_guess do
  puts "Please make a guess ..."
  guess = gets().to_i