Property list files (.pfiles) store serialized objects and are often used to store a user’s settings. They are also used to store information about bundles and applications in OSX and recently iOS.
Danilo Campos wrote some time ago some background information and provided his source and blogged about the subject. Better than that however, he provided an OSX binary to download if you want to get going straight away.
This little application makes it easy to format and process your source data in a familiar environment like Excel and then convert ready to use in your application.
On a self hosted WordPress installation (not a wordpress.com or .org) I was being continually rebuffed by an incorrect username/password combination – and I knew my password was correct.
Was it a problem with the iPhone application itself, was my blog misconfigured, who is John Galt?
The solution as it turns out was reasonably simple:
From your WordPress installation admin control panel: under Settings -> Writing in the Remote Publishing section ensure there is a tick in the checkbox
XML-RPC – Enable the WordPress, Movable Type, MetaWeblog and Blogger XML-RPC publishing protocols.
After that, you should be able to add the site from the iPhone app. Good luck!