diff --git a/doomsday/sdk/libcore/include/de/filesys/directoryfeed.h b/doomsday/sdk/libcore/include/de/filesys/directoryfeed.h
index f2205e48a3..1fae0fc061 100644
--- a/doomsday/sdk/libcore/include/de/filesys/directoryfeed.h
+++ b/doomsday/sdk/libcore/include/de/filesys/directoryfeed.h
@@ -105,6 +105,17 @@ class DENG2_PUBLIC DirectoryFeed : public Feed
      */
     static File::Status fileStatus(NativePath const &nativePath);
 
+    /**
+     * Creates and interprets a single native file and adds it to a folder. The created
+     * file is not governed by any feed and will not be pruned during folder pruning.
+     *
+     * @param nativePath    Native path of the source file.
+     * @param parentFolder  Folder where to place the interpreted file.
+     *
+     * @return Reference to the interpreted file.
+     */
+    static File &manuallyPopulateSingleFile(NativePath const &nativePath, Folder &parentFolder);
+
 protected:
     void populateSubFolder(Folder const &folder, String const &entryName);
     void populateFile(Folder const &folder, String const &entryName, PopulatedFiles &populated);
diff --git a/doomsday/sdk/libcore/src/filesys/directoryfeed.cpp b/doomsday/sdk/libcore/src/filesys/directoryfeed.cpp
index 7834edf648..31755f6e4c 100644
--- a/doomsday/sdk/libcore/src/filesys/directoryfeed.cpp
+++ b/doomsday/sdk/libcore/src/filesys/directoryfeed.cpp
@@ -266,3 +266,17 @@ File::Status DirectoryFeed::fileStatus(NativePath const &nativePath)
     // Get file status information.
     return File::Status(info.size(), info.lastModified());
 }
+
+File &DirectoryFeed::manuallyPopulateSingleFile(NativePath const &nativePath,
+                                                Folder &parentFolder)
+{
+    File::Status const status = fileStatus(nativePath);
+
+    auto *source = new NativeFile(nativePath.fileName(), nativePath);
+    source->setStatus(status);
+
+    File *file = FileSystem::get().interpret(source);
+    parentFolder.add(file);
+    FileSystem::get().index(*file);
+    return *file;
+}