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