23 lines
647 B
Markdown
23 lines
647 B
Markdown
|
```r title="R"
|
||
|
|
library(kreuzberg)
|
||
|
|
|
||
|
|
extract_pdf_metadata <- function(result) {
|
||
|
|
processed_result <- result
|
||
|
|
if (!is.null(result$metadata)) {
|
||
|
|
cat(sprintf("PDF Metadata:\n"))
|
||
|
|
for (key in names(result$metadata)) {
|
||
|
|
cat(sprintf(" %s: %s\n", key, result$metadata[[key]]))
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return(processed_result)
|
||
|
|
}
|
||
|
|
|
||
|
|
register_post_processor("pdf_metadata", extract_pdf_metadata)
|
||
|
|
|
||
|
|
config <- list(postprocessor = list(enabled = TRUE))
|
||
|
|
json <- extract_file_sync("document.pdf", "application/pdf", config)
|
||
|
|
result <- jsonlite::fromJSON(json, simplifyVector = FALSE)
|
||
|
|
|
||
|
|
cat(sprintf("Extraction complete: %d characters\n", nchar(result$content)))
|
||
|
|
```
|