Forum:Number of articles in a category from certain namespace

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I'm familiar with {{PAGESINCAT}} and <categorytree>, but is there a way to combine them to output the amount of articles in a category from a specific namespace? Specifically I need it to count the number of File: in a category. Duskey(talk) 14:41, August 5, 2010 (UTC)

Special:Statistics and look at the line Uploaded files? --  Roguebfl   talk    contribs    email   16:19, August 5, 2010 (UTC)

Not quite what I was going for, I need the output the number of files in a category. Duskey(talk) 20:09, August 5, 2010 (UTC)

{{NUMBEROFFILES}} or {{PAGESINCATEGORY:categoryname}} --  Roguebfl   talk    contribs    email   15:26, August 6, 2010 (UTC)

How do I tweak those to only count the files in a certain category? Duskey(talk) 10:41, August 9, 2010 (UTC)

Make sure only files are in the category, then replace categoryname in the second magic word with the category's name. --  Roguebfl   talk    contribs    email   10:47, August 9, 2010 (UTC)

That's the thing, there's also articles from other namespaces in the category. Duskey(talk) 20:03, August 10, 2010 (UTC)

Could be done with DPL, it can select a set of pages by namespace and category, and you can use %TOTALPAGES% to get the count (documented here). --◄mendel► 20:56, August 10, 2010 (UTC)

Wikia doesn't have that, right? Duskey(talk) 19:59, August 11, 2010 (UTC)

DPL has to be enabled ---- RandomTime 20:13, August 11, 2010 (UTC)

The recommend against it but the do enable it on request. --  Roguebfl   talk    contribs    email   20:31, August 11, 2010 (UTC)

It causes a huge load on the server, right? Duskey(talk) 21:38, August 11, 2010 (UTC)

It can --  Roguebfl   talk    contribs    email   22:17, August 11, 2010 (UTC)

DPL used to be enabled on wikis so DPLforum (such as this) would work. Enabling does not cause a load on the server per se. Using it can cause loads, depending on what you want it to do. Any type of code that would count the pages in a category/namespace would cause the same load, though. --◄mendel► 14:05, August 12, 2010 (UTC)