Climb to the Stars (Stephanie Booth)

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Update 13.07: A more recent version is out!

I had planned to give you a write-up of the beginning of my WordPress experience today. Unfortunately, I decided to clean up my categories somewhat before I did that, and I managed to badly mess things up.

The result is that I spent most of my day writing a Batch Categories admin screen to help me clean things up. It was something I had planned to do, and I suppose it will also be useful to other people.

If you want to play around: copy the code above into a file named batch-categories.php in your wp-admin directory. I highly recommend that you back up your wp_post2cat table before you get going. This script works for me, but hasn’t been tested much, and comes with no guarantees. It is not optimised either, so depending on how many posts and categories you list, the screen can very well take over half a minute to load!

There are still a few functionalities I want to add, in particular: assigning all listed posts to a category in one go (or removing them).

If you want pretty integration with the other screens of the Edit menu, you’ll have to tweak the navigation bar in edit.php, edit-comments.php, and moderation.php.

Update 24.06.04: I’ve uploaded a screenshot of the admin screen so you can see what it could look like.

Update II 24.06.04: Instead of hacking the Edit menu bars, you can also access the Batch Categories screen from the Plugins page: create a file called batch-access.php (e.g.) in your plugins directory. (Beware not to leave any whitespace after the ?>, though, or you’ll get errors. Promised, zips and more detailed documentation will follow.

Update 04.07.04: I tried using the script this morning, and it seems nastily broken (removed all categories for some posts). Use with caution, and get back to me if ever you hack it or modify it, I’m interested! I’ll look into this once I get back home from Vienna.

Update 12.07.04: The script now works as it should! Thanks to Ben and MooKitty for helping me nail the big nasty bug which was driving me bonkers! Two improvements I’m working on right now: making the code more efficient by using the category cache, and adding a “add all listed posts to category X” option.