Module: Pathname::Extensions::Partial

Defined in:
lib/pathname/extensions/partial.rb

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.included(host) ⇒ Object 



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# File 'lib/pathname/extensions/partial.rb', line 8

def self.included(host)
  host.load_extensions :explode
  super
end

Instance Method Details

#partial(n) ⇒ Object

Extract a partial path from the path. Include +n+ directories from the front end (left hand side) if +n+ is positive. Include |+n+| directories from the back end (right hand side) if +n+ is negative.



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# File 'lib/pathname/extensions/partial.rb', line 16

def partial(n)
  dirs = dirname.explode
  partial_dirs =
    if n.positive?
      dirs[0...n]
    elsif n.negative?
      dirs.reverse[0...-n].reverse
    else
      HERE
    end
  Pathname(File.join(partial_dirs))
end