1. Create a gist (https://gist.github.com/{yourUserName}) with the 
original document.
2. Click "edit" and paste in the new document.
3. Click "Revisions" link.

You'll see all the changes.

On 4/23/13 4:24 PM, Wilhelmina Randtke wrote:
> I would like to compare versions of a website scraped at different times to
> see what paragraphs on a page have changed.  Does anyone here know of a
> tool for holding two files side by side and noting what is the same and
> what is different between the files?
>
> It seems like any simple script to note differences in two strings of text
> would work, but I don't know a tool to use.
>
> -Wilhelmina Randtke