Read every page's logical label in one call

Convenience wrapper that calls pdf_page_label() for every page of the document and returns the results as a character vector (positionally aligned: element i is the label of page i).

Usage

pdf_page_labels(doc)

Arguments

doc

A pdfium_doc from pdf_doc_open(), or a character path.

Value

Character vector of length pdf_page_count(doc).

See also

pdf_page_label() for a single page.

Examples

fixture <- system.file("extdata", "fixtures", "shapes.pdf",
  package = "pdfium"
)
if (nzchar(fixture)) pdf_page_labels(fixture)
#> [1] ""