36 lines
1.0 KiB
Markdown
36 lines
1.0 KiB
Markdown
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```elixir title="Elixir"
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config = Jason.encode!(%{})
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case Kreuzberg.extract_file_sync("document.pdf", nil, config) do
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{:ok, result} ->
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decoded = Jason.decode!(result)
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case decoded do
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%{"metadata" => %{"pages" => %{"boundaries" => boundaries}}, "content" => content}
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when is_list(boundaries) ->
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boundaries
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|> Enum.take(3)
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|> Enum.each(fn boundary ->
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byte_start = boundary["byte_start"]
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byte_end = boundary["byte_end"]
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page_number = boundary["page_number"]
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# Extract substring for this boundary
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page_text = String.slice(content, byte_start, byte_end - byte_start)
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preview_end = min(100, String.length(page_text))
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preview = String.slice(page_text, 0, preview_end)
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IO.puts("Page #{page_number}:")
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IO.puts(" Byte range: #{byte_start}-#{byte_end}")
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IO.puts(" Preview: #{preview}...")
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end)
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_ ->
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nil
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end
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{:error, reason} ->
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IO.puts("Error: #{reason}")
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end
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```
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