UPDATE: I keep getting constant up votes on this, hence the edit. Using [-1, 1] is correct, however a better looking solution would be using just [-1]. Check Oleg Pischicov’s answer. line[-1] # => “c” Original Answer In ruby you can use [-1, 1] to get last char of a string. Here: line = “abc;” … Read more
In Ruby 1.9.x+ Use String#encode: checkmark = “\u2713” puts checkmark.encode(‘utf-8’) prints ✓ In Ruby 1.8.7 puts ‘\u2713’.gsub(/\\u[\da-f]{4}/i) { |m| [m[-4..-1].to_i(16)].pack(‘U’) } ✓
You’re looking for Enumerable#each_slice a = [0, 1, 2, 3, 4, 5, 6, 7] a.each_slice(3) # => #<Enumerator: [0, 1, 2, 3, 4, 5, 6, 7]:each_slice(3)> a.each_slice(3).to_a # => [[0, 1, 2], [3, 4, 5], [6, 7]]