Class: String

Inherits:
Object
  • Object
show all
Defined in:
lib/justify.rb

Instance Method Summary collapse

Instance Method Details

#justify(len = 80) ⇒ Object 



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# File 'lib/justify.rb', line 4

def justify(len = 80)
  unless self.length < len

    words = self.gsub("\n", " ").scan(/[\w.-]+/)
    actual_len = 0
    output = ""
    words.each do |w|
      output += w
      actual_len += w.length
      if actual_len >= len
        output += "\n"
        actual_len = 0
      else
        output += " "
      end
    end
    return output
  else
    self
  end

end