28 lines
789 B
Markdown
28 lines
789 B
Markdown
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```r title="R"
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library(kreuzberg)
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config <- list(
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chunking = list(max_characters = 500L, overlap = 50L),
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pages = list(extract_pages = TRUE)
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)
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json <- extract_file_sync("document.pdf", "application/pdf", config)
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result <- jsonlite::fromJSON(json, simplifyVector = FALSE)
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for (i in seq_along(result$chunks)) {
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chunk <- result$chunks[[i]]
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metadata <- result$chunk_metadata[[i]]
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if (!is.null(metadata$first_page) && !is.null(metadata$last_page)) {
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page_range <- if (metadata$first_page == metadata$last_page) {
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sprintf("Page %d", metadata$first_page)
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} else {
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sprintf("Pages %d-%d", metadata$first_page, metadata$last_page)
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}
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preview <- substr(chunk, 1L, min(50L, nchar(chunk)))
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cat(sprintf("Chunk: %s... (%s)\n", preview, page_range))
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}
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}
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```
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