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How to Read from stdin in JavaScript

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In javascript (nodejs anyway) stdin can be read as a stream of bytes. Therefore you need to tell node which encoding it is (utf-8 in our instance). We do the reads on the readable event, and read as much data as we can and print it to stdout.


process.stdin.on('readable', function() {
  var chunk = process.stdin.read();
  if (chunk !== null) {