> ## Documentation Index
> Fetch the complete documentation index at: https://praison.ai/docs/llms.txt
> Use this file to discover all available pages before exploring further.

# File Tracker • AI Agent SDK

> FileTracker: Track file hashes and modification times for incremental indexing.

# FileTracker

> Defined in the [**indexing**](https://praison.ai/docs/sdk/reference/praisonaiagents/modules/indexing.md) module.

AI Agent

Track file hashes and modification times for incremental indexing.

Persists state to a JSON file for cross-session tracking.

## Constructor

**state\_file** `Optional[str]`

No description available.

## Methods

> [card] [get\_file\_info()](https://praison.ai/docs/sdk/reference/praisonaiagents/functions/FileTracker-get_file_info.md)
>
> Get file information (hash, mtime, size).

> [card] [mark\_indexed()](https://praison.ai/docs/sdk/reference/praisonaiagents/functions/FileTracker-mark_indexed.md)
>
> Mark file as indexed.

> [card] [get\_memory\_ids()](https://praison.ai/docs/sdk/reference/praisonaiagents/functions/FileTracker-get_memory_ids.md)
>
> Return the memory IDs previously stored for a file (empty if none).

> [card] [has\_changed()](https://praison.ai/docs/sdk/reference/praisonaiagents/functions/FileTracker-has_changed.md)
>
> Check if file has changed since last indexing.

> [card] [save()](https://praison.ai/docs/sdk/reference/praisonaiagents/functions/FileTracker-save.md)
>
> Save state to file.

> [card] [load()](https://praison.ai/docs/sdk/reference/praisonaiagents/functions/FileTracker-load.md)
>
> Load state from file.

> [card] [clear()](https://praison.ai/docs/sdk/reference/praisonaiagents/functions/FileTracker-clear.md)
>
> Clear all tracked files.

## Source

> [card] [View on GitHub](https://github.com/MervinPraison/PraisonAI/blob/main/src/praisonai-agents/praisonaiagents/knowledge/indexing.py#L321)
>
> `praisonaiagents/knowledge/indexing.py` at line 321


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