javascript - Cannot save a remote image with node.js and request -

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I want to save an image with node.js. So far I have this simple code: 

  var request = required ('request'); Var FS = Requirement ('FS'); Request ('http://upload.wikimedia.org/wikipedia/commons/8/8c/JPEG_example_JPG_RIP_025.jpg', function (error, feedback, body) {// more logic determines whether the image will be desired or Not saved fs.writeFile ('downloaded.jpg', body, function () {});})

But this does not work Image always gets corrupted. I think this is an encoding error but how can I decide. 

  var request = required ('request'), FS = requirement ('FS') , URL = 'http://upload.wikimedia.org/wikipedia/commons/8/8c/JPEG_example_JPG_RIP_025.jpg'; Request (url, {encoding: 'binary'}, function (error, feedback, body) {fs.writeFile ('downloaded .jpg', body, 'binary', function (mistake) {});});

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