Module: Capture

Defined in:
lib/capture-output.rb

Class Method Summary collapse

Class Method Details

.output(out = STDOUT) ⇒ Object 



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# File 'lib/capture-output.rb', line 2

def self.output(out = STDOUT)
	r, w = IO.pipe
	old_out = out.clone
	out.reopen(w)
	data = ''

	t = Thread.new do
		data << r.read
	end

	begin
		yield
	ensure
		w.close
		out.reopen(old_out)
	end
	t.join
	data
end

.stderr(&block) ⇒ Object 



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# File 'lib/capture-output.rb', line 26

def self.stderr(&block)
	output(STDERR, &block)
end

.stdout(&block) ⇒ Object 



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# File 'lib/capture-output.rb', line 22

def self.stdout(&block)
	output(STDOUT, &block)
end