A bit clarification -- tools::compactPDF() worked on the PDF at the current directory for me -- not sure about building PDF on the fly.
________________________________ From: R-devel <r-devel-boun...@r-project.org> on behalf of jing hua zhao <jinghuaz...@hotmail.com> Sent: 08 July 2018 16:00 To: Søren Højsgaard; r-devel@r-project.org Subject: Re: [Rd] [R] consider running tools::compactPDF(gs_quality = "ebook") Idid this inside R; not ideal but worked. ________________________________ From: R-devel <r-devel-boun...@r-project.org> on behalf of Søren Højsgaard <sor...@math.aau.dk> Sent: 08 July 2018 15:46 To: r-devel@r-project.org Subject: Re: [Rd] [R] consider running tools::compactPDF(gs_quality = "ebook") Dear all, I run R CMD build --compact-vignettes="both" gRbase and/or R CMD build --compact-vignettes="gs+qpdf" gRbase and in the log from r-devel (on winbuilder) I get * checking sizes of PDF files under 'inst/doc' ... WARNING 'gs+qpdf' made some significant size reductions: compacted 'gRbase-arrays.pdf' from 421Kb to 115Kb consider running tools::compactPDF(gs_quality = "ebook") on these files According to "writing R extensions" things should be fine (I have gs and qpdf on my system): "The --compact-vignettes option will run tools::compactPDF over the PDF files in inst/doc (and its subdirectories) to losslessly compress them. This is not enabled by default (it can be selected by environment variable _R_BUILD_COMPACT_VIGNETTES_) and needs qpdf (http://qpdf.sourceforge.net/) to be available. " QPDF: A Content-Preserving PDF Transformation System<http://qpdf.sourceforge.net/> qpdf.sourceforge.net What is QPDF? QPDF is a command-line program that does structural, content-preserving transformations on PDF files. It could have been called something like pdf-to-pdf. QPDF: A Content-Preserving PDF Transformation System<http://qpdf.sourceforge.net/> qpdf.sourceforge.net What is QPDF? QPDF is a command-line program that does structural, content-preserving transformations on PDF files. It could have been called something like pdf-to-pdf. Can anyone please tell me what to do? Best regards S�ren --- > sessionInfo() R version 3.4.4 (2018-03-15) Platform: x86_64-pc-linux-gnu (64-bit) Running under: Ubuntu 16.04.4 LTS Matrix products: default BLAS: /usr/lib/libblas/libblas.so.3. 6.0 LAPACK: /usr/lib/lapack/liblapack.so.3.6.0 locale: [1] LC_CTYPE=en_US.UTF-8 LC_NUMERIC=C [3] LC_TIME=en_US.UTF-8 LC_COLLATE=en_US.UTF-8 [5] LC_MONETARY=en_US.UTF-8 LC_MESSAGES=en_US.UTF-8 [7] LC_PAPER=en_US.UTF-8 LC_NAME=C [9] LC_ADDRESS=C LC_TELEPHONE=C [11] LC_MEASUREMENT=en_US.UTF-8 LC_IDENTIFICATION=C attached base packages: [1] stats graphics grDevices utils datasets methods base other attached packages: [1] Rcpp_0.12.17 shtools_1.0 markdown_0.8 knitr_1.20 [5] rmarkdown_1.10 devtools_1.13.5 loaded via a namespace (and not attached): [1] lattice_0.20-35 digest_0.6.15 withr_2.1.2 [4] rprojroot_1.3-2 grid_3.4.4 backports_1.1.2 [7] magrittr_1.5 evaluate_0.10.1 stringi_1.2.3 [10] curl_3.2 RcppArmadillo_0.8.500.0 Matrix_1.2-14 [13] tools_3.4.4 RcppEigen_0.3.3.4.0 stringr_1.3.1 [16] compiler_3.4.4 memoise_1.1.0 htmltools_0.3.6 [[alternative HTML version deleted]] [[alternative HTML version deleted]] ______________________________________________ R-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-devel [[alternative HTML version deleted]] ______________________________________________ R-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-devel