Methods
Public Instance methods
conjunction(type=:and, seperator=",")

This is more advnaced form of join. It allows for a different terminating separator.

The default type of conjunction —the terminating separator, is "and", and the default regualt separator is ",". 

  [1,2,3].conjunction
  => "1, 2 and 3

  [1,2,3].conjunction(:or)
  => "1, 2 or 3

  [1,2,3].conjunction(:or, ';')
  => "1; 2 or 3
This method is also aliased as join_sentence

[ show source ]

# File lib/english/array.rb, line 20
    def conjunction(type=:and, seperator=",")
      type      = type.to_s
      separator = separator.to_s
      space     = space.to_s

      case length
      when 0
        ""
      when 1
        self[0]
      when 2
        "#{self[0]} #{type} #{self[1]}"
      else
        [self[0..-2].join("#{separator} "), self[-1]].join(" #{type} ")
      end
    end
join_sentence(type=:and, seperator=",")

Alias for conjunction