LearnRuby/ex26.rb at master · glasses4days/LearnRuby · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
module Ex25
  def self.break_words(stuff)
    # This function will break up words for us.
    words = stuff.split(' ')
    words
  end

  def self.sort_words(words)
    # Sorts the words.
    words.sort()
  end

  def self.print_first_word(words)
    #Prints the first word and shifts the others down by one.
    word = words.shift()
    puts word
  end

  def self.print_last_word(words)
    # Prints the last word after popping it off the end.
    word = words.pop()
    puts word
  end

  def self.sort_sentence(sentence)
    # Takes in a full sentence and returns the sorted words.
    words = break_words(sentence)
    sort_words(words)
  end

  def self.print_first_and_last(sentence)
    # Puts the first and last words of the sentence.
    words = break_words(sentence)
    print_first_word(words)
    print_last_word(words)
  end

  def self.print_first_and_last_sorted(sentence)
    # Sorts the words then prints the first and last one.
    words = sort_sentence(sentence)
    print_first_word(words)
    print_last_word(words)
  end
end


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

poem = <<MULTI_LINE_STRING

\tThe lovely world
with logic so firmly planted
cannot discern \n the needs of love
nor comprehend passion from intuition
and requires an explantion
\n\twhere there is none.

MULTI_LINE_STRING


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."

start_point = start_point / 10

puts "We can also do that this way:"
puts "We'd have %s beans, %s jars, and %s crates." % secret_formula(start_point)


require './ex25'

sentence = "All good things come to those who wait."

words = Ex25.break_words(sentence)
sorted_words = Ex25.sort_words(words)

Ex25.print_first_word(words)
Ex25.print_last_word(words)
words
Ex25.print_first_word(sorted_words)
Ex25.print_last_word(sorted_words)
sorted_words
Ex25.sort_sentence(sentence)
Ex25.print_first_and_last(sentence)
Ex25.print_first_and_last_sorted(sentence)