Merge pull request #18 from node-girls/step9

moves fs details from step 9 to step 8. adds res.sendFile info'

step08.md

@@ -106,6 +106,11 @@ Here's a breakdown of what you want to achieve:
 * Add your new blog post data to the old ones.
 * Write your new combined data back to the `posts.json` file.
 
+### Things to remember
+* `fs.writeFile()` normally overwrites the target file you've given it.  Chances are you don't want to lose all your old blog posts every time you get a new one, so think about how you can combine `fs.readFile()` and `fs.writeFile()` to prevent overwriting.
+
+* You will need to convert between JSON and a JavaScript object several times.  `JSON.parse()` and `JSON.stringify()` are what you need.
+
 Oh by the way, if you want to get the current timestamp, use the JavaScript `Date.now()` method.
 
 Good luck!

step09.md

@@ -9,10 +9,8 @@ If you look inside `public/script.js`, there's a whole bunch of JavaScript code
 
 Your `script.js` file will want to receive the JSON containing your blog posts.  Your job is to make that happen!
 
-### Things to remember
-* `fs.writeFile()` normally overwrites the target file you've given it.  Chances are you don't want to lose all your old blog posts every time you get a new one, so think about how you can combine `fs.readFile()` and `fs.writeFile()` to prevent overwriting.
+Express has a handy method called `res.sendFile()` that makes it easy to send files back to the client.  Feel free to use this with your JSON.
 
-* You will need to convert between JSON and a JavaScript object several times.  `JSON.parse()` and `JSON.stringify()` are what you need.
 
 If all goes well, you should have a fully functional CMS!