Exporting just posts of a specific category
The default exporter will do this. Instead of selecting “All Content”, choose “Post” and then a category.
import
Download/View Schema (or DTD) for XML Import
As far as I know no one ever [publicly] documented it and all questions about that are met with “it’s like RSS, want documentation – do it yourself”.
Importing data from spreadsheet into wordpress DB, along with custom taxonomies and their terms
I don’t think you should create a new column in wp_posts… This kind of info is stored in wp_postmeta. When I need this kind of importing (Excel->WP), I use CSV Importer, as you can assign categories, tags and custom field to the imported data. You’ll probably need to do a couple of tests with few … Read more
How to migrate WordPress Blogs into Multisite without using the GUI-Import/Export Feature
http://bavatuesdays.com/importing-a-single-wp-blog-to-a-wpmu-installation/ http://sillybean.net/wordpress/migrating-single-wordpress-installations-into-multisite-networks/
Is there a way to trigger an automatic import of a WP backup on creation of a new WP multisite site?
Have a look at this plugin http://wordpress.org/extend/plugins/wp-dummy-content/stats/ It is random content so if you need to always to load the same content you will have to look at the code and create your own version. One pain of theme development is setting up all the pages and blog posts in order for you to see … Read more
Moving a blog from Tumblr to WordPress
Try the Tumblr Importer. 🙂 http://wordpress.org/extend/plugins/tumblr-importer/ Let me know if you have any problems with it, we’re actively trying to improve it.
How to force update all posts after import
There are 2 ways that you could do this. The first and more difficult is to write a program, the other is to do a bulk update. Why do difficult when easy way will work equally well? and especially as this is a once-off requirement The easy way: In the admin dashboard, select the view … Read more
WXR import problem — not including categories
Maybe this is the answer: http://mansurovs.com/tech/wordpress-does-not-import-categories-and-tags (from there) : Make sure not to delete the original “Hello World!” post that gets automatically created by WordPress. If you have already deleted it, create a new dummy post that you can later delete. Make sure that the WordPress import process is successfully finished. After all posts and … Read more
WordPress Multisite: Automatically run importer upon creating new site
Since this is for a multisite (the same and NOT a different wordpress installation), would any of these plugins give a solution to your question? New Blog Defaults It is a mu-plugin and has been around for some time (I have tried it myself and works just fine). Under “Bonus Settings” you are provided with … Read more
Resource Issues: Importing external data into custom post type and keeping records up to date
One big help I have found with importing / updating large qty’s of posts is to use InnoDB tables and transactions, in batches of 200-500 posts (with more postmeta, use smaller post batches). It greatly improves performance, given that much of it is individual MySQL statements each of which must hit the db transaction log … Read more