Process the pdf file with ghostscript — pdf_gs • pnpmisc

pdf_gs() processes the pdf file with ghostscript. This may prevent issues with other pdf processing functions like pdftools::pdf_pagesize().

Usage

pdf_gs(input, output = NULL, ..., args = character(0L))

Arguments

input: Input pdf filename.
output: Output pdf filename. NULL defaults to a tempfile() with a ___pnpmisc.pdf file extension.
...: Ignored.
args: Arguments to pass to ghostscript. We automatically add -dBATCH -dNOPAUSE -sDEVICE=pdfwrite -sAutoRotatePages=None -sOutputFile={output}.

Value

output pdf file name invisibly. As a side effect creates a pdf file processed by ghostscript.

See also

tools::find_gs_cmd() and https://ghostscript.readthedocs.io/en/latest/

Examples

if (nzchar(tools::find_gs_cmd())) {
  f1 <- pdf_create_blank()
  f2 <- pdf_gs(f1)

  unlink(f1)
  unlink(f2)
}