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# System prepended metadata

title: FileIndexer

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Blender Documentation, File Indexer
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# FileIndexer

The File Browser uses file indexers to navigate file systems. These file systems can be provided by the OS (folders and files) a blend file (when linking or appending ID-blocks) or Asset Library (See Asset Indexing).

:::info
The FileIndexer is planned to be refactored in the near future. The result of the refactoring will be added to this page after the refactoring has landed into master. (ref to T999999 )
:::


## Resources

* FileIndexer is located in `ED_file_indexer.h` and `file_indexer.cc`.