Write File

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Node Details

• Name: WriteFile

• Type: Tool

• Version: 1.0

• Category: Tools

• Description: Write file to disk

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Parameters

The node accepts one optional input parameter:

• Base Path

  • Label: Base Path

  • Name: basePath

  • Type: string

  • Optional: true

  • Placeholder: C:\Users\User\Desktop

  • Description: The base directory path for file operations. If not provided, a default path will be used.

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Functionality

This node creates a WriteFileTool instance, which is a structured tool for writing files. It uses a NodeFileStore to handle the actual file operations.

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Input/Output

• Input:

  • file_path: A string representing the name or path of the file to be written.

  • text: A string containing the content to be written to the file.

• Output:

  • A success message: “File written to successfully.”

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Usage

The WriteFile node is used when you need to save text content to a file as part of a workflow or process. It can be useful for:

• Saving generated content

• Logging information

• Creating or updating configuration files

• Exporting data from other nodes or processes

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Implementation Details

• The node uses Zod for input validation.

• It extends the StructuredTool class from LangChain.

• File operations are abstracted through a BaseFileStore class, with the actual implementation using NodeFileStore.

• The tool supports custom base paths, allowing flexibility in where files are written.

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Notes

• Ensure that the process has the necessary permissions to write to the specified locations.

• Be cautious when using this tool, as it can overwrite existing files.

• The actual file path used will be a combination of the optional base path and the provided file_path in the tool’s input.