hooking up xml2json to convert XML piped in via stdin to JSON on stdout

gistfile1.js

// hooking up xml2json to convert XML piped in via stdin to JSON on stdout
// e.g.:
// curl http://www.gutenberg.org/feeds/today.rss | node index.js > gutenberg.json

var x2j = require("xml2json");

process.stdin.resume();
process.stdin.setEncoding('utf8');

var xml = '';
process.stdin.on('data', function (chunk) {
  xml += chunk;
});

process.stdin.on('end', function () {
  if(xml) {
    var json = x2j.toJson(xml);
    process.stdout.write(json);
  } else {
    process.stdout.write(json);
    console.log("no input, pipe it in on stdin \n"
      + "e.g $ cat somefile.xml | node xml2json.js");
  }
});