var posts = require('./posts.json');

for(var i=0; i < posts.lenght; i++);
{
    console.log(posts[i].Title);
    console.log(posts[i].Content);
    console.log(posts[i].Author.DisplayName);
    console.log(posts.lenght);
}

[
  {
    "PostID" : 1,
    "Title" : "My first post",
    "Content" : "Some content",
    "Comments" : [
   {
     "CommentID" : 1,
     "Content" : "Commenting on your first post"
   },
   {
     "CommentID" : 2,
     "Content" : "Also on your first post"
   }
   ],
   "Author" : {
  "UserId" : 1,
  "DisplayName" : "poo3"
  }
  },
  {
    "PostID" : 2,
    "Title" : "My second post",
    "Content" : "Some content",
    "Comments" : [
   {
     "CommentID" : 3,
     "Content" : "Commenting on your second post"
   }
  ] ,
  "Author" : {
  "UserId" : 1,
  "DisplayName" : "poo2"
  }
  },
  {
  "PostID" : 3,
  "Title" : "My third post",
  "Content" : "Some content" ,
  "Author" : {
  "UserId" : 2,
  "DisplayName" : "poo1"
   }
  }
]