Method: Utils::IRB::Shell#capture_output

Defined in:
lib/utils/irb.rb

#capture_output(with_stderr = false) ⇒ Object 



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# File 'lib/utils/irb.rb', line 266

def capture_output(with_stderr = false)
  return "missing block" unless block_given?
  require 'tempfile'
  begin
    old_stdout, $stdout = $stdout, Tempfile.new('irb')
    if with_stderr
      old_stderr, $stderr = $stderr, $stdout
    end
    yield
  ensure
    $stdout, temp = old_stdout, $stdout
    with_stderr and $stderr = old_stderr
  end
  temp.rewind
  temp.read
end