Update article-reader.mdx

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Jing Y.
2025-06-03 14:53:34 +08:00
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@@ -48,7 +48,9 @@ Please choose the appropriate file upload method according to your business scen
**LLM cannot read files directly.** This is a common misconception among many users when they first use file upload, as they might think simply using the file as a variable in an LLM node would work. However, in reality, the LLM reads nothing from file variables.
Thus, Dify introduced the **doc extractor**, which can extract text from the file variable and output it as a text variable.
Thus, Dify introduced the **doc extractor** node, which can extract text from the file variable and output it as a text variable.
The **doc extractor** node takes the file variable from the **start** node as input and converts document files into text output.
![](https://assets-docs.dify.ai/dify-enterprise-mintlify/en/workshop/intermediate/bc4b1492bd10ef782457ec6a709997f9.png)