var?fs?=?require('fs')

fs.readFile('logo.png',?function(err,?origin_buffer)?{
	console.log('isBuffer：?'?+?Buffer.isBuffer(origin_buffer))
	fs.writeFile('logo_buffer.png',?origin_buffer,?function(err)?{
		if?(err)?console.log(err)
	})
	
	var?base64Image?=?origin_buffer.toString('base64');
	console.log(base64Image)

	var?decodedImage?=?new?Buffer(base64Image,?'base64')
	console.log(Buffer.compare(origin_buffer,?decodedImage))

	fs.writeFile('logo_decoded.png',?decodedImage,?function(err)?{
		if?(err)?console.log(err)
	})
})