Upload file using NodeJS and node-formidable

I succeed uploading file using node.js and the formidable module yet, the file that got save on the disk is in some kind of a bad format ( bad encoding) e.g. if I upload an image I can't view it, if I upload a txt file gedit provide the following msg: "gedit has not been able to detect the character encoding. Please check that you are not trying to open a binary file. Select a character encoding from the menu and try again."

here is the code:

form.encoding = 'utf-8';
form.parse(req, function(err, fields, files) {开发者_运维知识库
    fs.writeFile('test.js', files.upload,'utf8', function (err) {
          if (err) throw err;
          console.log('It\'s saved!');
    });
});

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The problem is the that files.upload is not the content of the file, it is an instance of the File class from node-formidable.

Look at:

https://github.com/felixge/node-formidable/blob/master/lib/file.js

Instead of trying to write the file to disk again, you can just access the path to uploaded file like this and use fs.rename() to move it where you want:

fs.rename(files.upload.path, 'yournewfilename', function (err) { throw err; });

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Is the form set to enctype="multipart/form-data"?

I've only used formidable with Express - the Express example works fine:

https://github.com/visionmedia/express/tree/master/examples/multipart