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Alex Rivera
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I'm mucking about with node.js and have discovered two ways of reading a file and sending it down the wire, once I've established that it exists and have sent the proper MIME type with writeHead: // read the entire file into memory and then spit it out fs.readFile(filename, function(err, data){ if (err) throw err; response.write(data, 'utf8'); response.end(); }); // read and pass the file as a stream of chunks fs.createReadStream(filename, { 'flags': 'r', 'encoding': 'binary', 'mode': 0666, 'bufferSize': 4 * 1024 }).addListener( "data", function(chunk) { response.write(chunk, 'binary'); }).addListener( "close",function() { response.end(); }); Am I correct in assuming that fs.createReadStream might provide a better user experience if the file in question was something large, like a video? It feels like it might be less block-ish; is this true? Are there other pros, cons, caveats, or gotchas I need to know?
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