r - rmarkdown::render leads to error when output_file path is absolute -


i have r package, 1 of function - produce report. in inst/markdown have template rep.rmd in package function producereport() have code:

  render.file <-"rep.rmd"   render.file <- system.file(templates.path, render.file, package=getpackagename())   render.dir <- dirname(render.file)   pdf.file <- "example.pdf"   rmarkdown::render(render.file , quiet = false, output_format = "pdf_document",                   output_file = pdf.file)

it works.

but if change last line to:

rmarkdown::render(render.file , quiet = false, output_format = "pdf_document",                    output_file = "d:/help/me/please/example.pdf")

it not work (all paths exist). have error

"! undefined control sequence. \grffile@filename ->d:\help \me\please\example _files/figure-... l.148 ...example_files/figure-latex/unnamed-chunk-2-1}"

pandoc.exe: error producing pdf show traceback rerun debug error: pandoc document conversion failed error 43 "

when use variant on linux server works

p.s.

i emphasize, problem not in paths (i use standard procedure file.path() avoid system problems, path in example demonstration).

maybe it's not workaround, works on win

lol <- rmarkdown::render(render.file , quiet = true,                 output_format = "pdf_document") file.rename(lol, pdf.file)

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