Board Thread:Support Requests - Getting Technical/@comment-6532857-20151211192530/@comment-4356266-20151212174329

If you have AutoWikiBrowser (you should!), you can use it to make a list. This is usually the list of pages that you'd like to perform mass edits on, but in this case we only want the number of items on that list. .(jpg|png|gif|jpeg)$ This method might not be foolproof, but it is more user friendly than rummaging through the mediawiki API.
 * 1) From the source combo box choose "Special page"
 * 2) Click "make list". A small dialog box appears.
 * 3) for "source", choose "All pages" and for "namespace", choose "File:". Now on top of the list is the number of pages in the list.
 * 4) Click filter.
 * 5) In "namespace to keep", check "File:" and under title, enable "keep titles containing", enable regular expressions and type:
 * 1) Click Apply.