input.txt

Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.

simple_word_count.txt

Given the following Greek, report the count of each group of words that share the same letter count. For example...

-----------------------------
| Number of Letters | Found |
-----------------------------
| 3                 | 7     |
| 4                 | 13    |
| 5                 | 8     |
...

Paragraph:
Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.

word_count.rb

# Ruby Version
# configure
contents, res = [], {}
col_a, col_b = 'Number of Letters', 'Found'
row_border, col_border = '-', '|'
spacer = ' '

File.open("input.txt") do |file|
  while line = file.gets
    words = line.gsub(/[\n\.,]/, '').split(' ')
    words.each { |w| res[w.length] = res[w.length].nil? ? 1 : res[w.length] + 1 }
  end
end

# draw the results
out =  (0...col_a.length + col_b.length + 3).map { row_border }.join + "\n"
out << col_border + col_a + col_border + col_b + col_border + "\n"
out << (0...col_a.length + col_b.length + 3).map { row_border }.join + "\n"

res.sort.each do |key, val|
  out << col_border + key.to_s
  out << (0...col_a.length - key.to_s.length).map { spacer }.join + col_border + val.to_s
  out << (0...col_b.length - val.to_s.length).map { spacer }.join + col_border + "\n"
end

out << (0...col_a.length + col_b.length + 3).map { row_border }.join + "\n"

puts out

# Results
# -------------------------
# |Number of Letters|Found|
# -------------------------
# |3                |5    |
# |4                |11   |
# |5                |10   |
# |6                |9    |
# |7                |8    |
# |8                |4    |
# |9                |4    |
# |10               |1    |
# |11               |2    |
# |12               |1    |
# |13               |1    |
# -------------------------