Import OPML subscriptions (file) to Google Reader manually

Question

I have a huge (5,000+ feeds) OPML file which freezes and crashes my browser when I try uploading it to my Google Reader account using the following instructions:

1. Login to Google Reader
2. Click Your Subscription
3. Click the More Actions dropdown
4. Select Import
5. Browse for your OPML file
6. Click Open
7. Click Upload
8. You will see the following displayed until it is done: Your subscriptions are being imported...

I've looked into using: http://code.google.com/p/pyrfeed/wiki/GoogleReaderAPI
But, it seems more like an ATOM/RSS reader and framework as it states, instead of a library to do what I need. I am open to suggestions and methods to accomplish this via HTTP.

Answer 1

Found an answer on Superuser on How to import an OPML file with 1500 feeds into Google Reader