Find location of supplemental information (SI) using latex auxfile

Source: R/pdflatexutils.r

This can be confused by entries in table of contents etc, in which case the explicit parameter lastRegularPage can be passed.

find_supplemental(auxfile, numpages, lastRegularPage)

Arguments

auxfile

Path to aux file produced by latex (inc LyX)
numpages

Number of pages in pdf (assuming this is where SI stops)
lastRegularPage

Last page before SI

Value

Integer page number sequence for SI