npm and error messages

node_modules/tar/examples/packer.js

@@ -0,0 +1,24 @@
+var tar = require("../tar.js")
+  , fstream = require("fstream")
+  , fs = require("fs")
+
+var dirDest = fs.createWriteStream('dir.tar')
+
+
+function onError(err) {
+  console.error('An error occurred:', err)
+}
+
+function onEnd() {
+  console.log('Packed!')
+}
+
+var packer = tar.Pack({ noProprietary: true })
+  .on('error', onError)
+  .on('end', onEnd);
+
+// This must be a "directory"
+fstream.Reader({ path: __dirname, type: "Directory" })
+  .on('error', onError)
+  .pipe(packer)
+  .pipe(dirDest)