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You want to build a RAG system that answers questions from both PDFs and text files. Which approach best ensures correct document loading?

hard📝 Application Q15 of 15
LangChain - Document Loading
You want to build a RAG system that answers questions from both PDFs and text files. Which approach best ensures correct document loading?
AConvert all files to CSV and use CSVLoader
BUse only PyPDFLoader for all files
CUse PyPDFLoader for PDFs and TextLoader for text files separately
DLoad all files as plain text without loaders
Step-by-Step Solution
Solution:

  1. Step 1: Recognize different file types need different loaders

    PDFs and text files have different formats requiring specific loaders.

  2. Step 2: Choose loaders matching each file type

    Using PyPDFLoader for PDFs and TextLoader for text files ensures proper loading and parsing.

  3. Final Answer:

    Use PyPDFLoader for PDFs and TextLoader for text files separately -> Option C

  4. Quick Check:

    Match loaders to file types for best results [OK]
Quick Trick: Match each file type with its proper loader [OK]
Common Mistakes:
  • Using one loader for all file types
  • Converting files unnecessarily
  • Ignoring file format differences

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