old_contents: var fs = require("fs");
  var spawn = require("child_process").spawn;
  var tmp = require("tmp");
  var path = require("path");
  var templatesDir = path.join(__dirname, "templates");
  var compile = require("node-elm-compiler").compile;
  var emitterFilename = "emitter.js";
  
  
  // TODO: externalize all this and make it configurable
  var srcFile = "examples/src/HomepageStylesheet.elm";
  var elmModuleName = "HomepageStylesheet";
  var destCssFile = path.join(__dirname, "output.css")
  process.chdir("examples")
  // END TODO
  
  
  tmp.dir({unsafeCleanup: true}, function (err, tmpDirPath, cleanup) {
    if (err) {
      throw err;
    }
  
    var emitterDest = path.join(tmpDirPath, emitterFilename);
  
    compileEmitter({
      output: emitterDest
    }, function() {
      // Make the compiled emitter.js Node-friendly.
      fs.appendFileSync(emitterDest, "\nmodule.exports = Elm;");
  
      var Elm = require(emitterDest);
      var compiledCss = Elm.worker(Elm[elmModuleName]).ports.css;
  
      fs.writeFileSync(destCssFile, compiledCss);
    }, function(exitCode) {
      console.error("Errored with exit code", exitCode);
  
      process.exit(exitCode);
    });
  });
  
  function compileEmitter(options, onSuccess, onError) {
    compile(path.join(__dirname, srcFile), options)
      .on("close", function(exitCode) {
        if (exitCode === 0) {
          onSuccess()
        } else {
          onError(exitCode);
        }
      });
  }
  
new_contents: var fs = require("fs");
  var spawn = require("child_process").spawn;
  var tmp = require("tmp");
  var path = require("path");
  var templatesDir = path.join(__dirname, "templates");
  var compile = require("node-elm-compiler").compile;
  var emitterFilename = "emitter.js";
  
  
  // TODO: externalize all this and make it configurable
  var srcFile = "examples/src/HomepageStylesheet.elm";
  var elmModuleName = "HomepageStylesheet";
  var destCssFile = path.join(__dirname, "output.css")
  process.chdir("examples")
  // END TODO
  
  
  tmp.dir({unsafeCleanup: true}, function (err, tmpDirPath, cleanup) {
    if (err) {
      throw err;
    }
  
    var emitterDest = path.join(tmpDirPath, emitterFilename);
  
    compileEmitter({
      output: emitterDest
    }, function() {
      // Make the compiled emitter.js Node-friendly.
      fs.appendFileSync(emitterDest, "\nmodule.exports = Elm;");
  
      var Elm = require(emitterDest);
      var compiledCss = Elm.worker(Elm[elmModuleName]).ports.css + "\n";
  
      fs.writeFileSync(destCssFile, compiledCss);
    }, function(exitCode) {
      console.error("Errored with exit code", exitCode);
  
      process.exit(exitCode);
    });
  });
  
  function compileEmitter(options, onSuccess, onError) {
    compile(path.join(__dirname, srcFile), options)
      .on("close", function(exitCode) {
        if (exitCode === 0) {
          onSuccess()
        } else {
          onError(exitCode);
        }
      });
  }
  
subject: Put a newline at the end of the compiled CSS for great POSIX justice.