Module: IO::Grab

Included in:
IO, StringIO
Defined in:
lib/io/grab.rb,
lib/io/grab/version.rb

Constant Summary collapse

VERSION = 
"0.0.2"

Instance Method Summary collapse

Instance Method Details

#grab(&block) ⇒ Object 



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# File 'lib/io/grab.rb', line 6

def grab &block
  @grabbed_output = ""
  class << self
    def write arg
      @grabbed_output += arg
    end
  end

  begin
    yield
  ensure
    singleton_class.send :remove_method, :write
  end

  @grabbed_output
end