description: Load data from folder with multiple files.

Folder with Files

The Folder Loader provides functionality to load and process multiple files from a directory. This module supports a wide range of file formats and can recursively process subdirectories.

This module provides a sophisticated folder loader that can:

• Load multiple file types simultaneously
• Process directories recursively
• Handle various document formats
• Support PDF-specific processing
• Process structured data files
• Customize metadata extraction
• Support text splitting

Inputs

Required Parameters

• Folder Path: Path to the directory containing files
• Recursive: Whether to process subdirectories

Optional Parameters

• Text Splitter: A text splitter to process the extracted content
• PDF Usage: Choose between:
  • One document per page
  • One document per file
• JSONL Pointer Extraction: Pointer name for JSONL files
• Additional Metadata: JSON object with additional metadata
• Omit Metadata Keys: Comma-separated list of metadata keys to omit

Outputs

• Document: Array of document objects containing metadata and pageContent
• Text: Concatenated string from pageContent of documents

Supported File Types

Documents

• PDF (.pdf)
• Word (.doc, .docx)
• Excel (.xls, .xlsx, .xlsm, .xlsb)
• PowerPoint (.ppt, .pptx)
• Text (.txt)
• Markdown (.md, .markdown)
• HTML (.html)
• XML (.xml)

Data Files

• JSON (.json)
• JSONL (.jsonl)
• CSV (.csv)

Programming Languages

• Python (.py, .python)
• JavaScript (.js)
• TypeScript (.ts)
• Java (.java)
• C/C++ (.c, .cpp, .h)
• C# (.cs)
• Ruby (.rb, .ruby)
• Go (.go)
• PHP (.php)
• Swift (.swift)
• Rust (.rs)
• Scala (.scala, .sc)
• Kotlin (.kt)
• Solidity (.sol)

Web Technologies

• CSS (.css)
• SCSS (.scss)
• LESS (.less)
• SQL (.sql)
• Protocol Buffers (.proto)

Features

• Multi-format support
• Recursive directory processing
• PDF processing options
• Structured data handling
• Text splitting support
• Metadata customization
• Error handling

Notes

• Automatically detects file types
• Handles large directories
• Preserves file metadata
• Memory-efficient processing
• Supports custom file extensions
• Error handling for invalid files
• Flexible output formats

{% hint style="info" %} This section is a work in progress. We appreciate any help you can provide in completing this section. Please check our Contribution Guide to get started. {% endhint %}