method

ascend

v1_9_2_180 - Show latest stable - Class: Pathname

ascend()

public

Iterates over and yields a new Pathname object for each element in the given path in ascending order.

Pathname.new(‘/path/to/some/file.rb’).ascend {|v| p v}

#<Pathname:/path/to/some/file.rb>
#<Pathname:/path/to/some>
#<Pathname:/path/to>
#<Pathname:/path>
#<Pathname:/>

Pathname.new(‘path/to/some/file.rb’).ascend {|v| p v}

#<Pathname:path/to/some/file.rb>
#<Pathname:path/to/some>
#<Pathname:path/to>
#<Pathname:path>

It doesn’t access actual filesystem.

This method is available since 1.8.5.

# File lib/pathname.rb, line 564
  def ascend
    path = @path
    yield self
    while r = chop_basename(path)
      path, name = r
      break if path.empty?
      yield self.class.new(del_trailing_separator(path))
    end
  end

ascend

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