A character string specifying the path or URL to a PDF file.
outdir
An optional character string specifying a directory into which
to split the resulting files. If NULL, the outdir is
tempdir(). If file is a URL, both file and thumbnails are
stored in the R session's temporary directory.
pages
An optional integer vector specifying pages to extract from.
format
A character string specifying an image file format.
resolution
A numeric value specifying the image resolution in DPI.
password
Optionally, a character string containing a user password
to access a secured PDF.
copy
Specifies whether the original local file(s) should be copied to
tempdir() before processing. FALSE by default. The argument is
ignored if file is URL.
Value
A character vector of file paths.
Details
This function save each (specified) page of a document as an image
with 720 dpi resolution. Images are saved in the same directory as the
original file, with file names specified by the original file name,
a page number, and the corresponding file format extension.