anchor.diff:  R CMD check <failing_package>.tar.gz
   R CMD INSTALL ~/data.table_1.9.6.tar.gz   # CRAN version to establish if fails are really due to data.table
   R CMD check <failing_package>.tar.gz
  -ls -1 *.tar.gz | grep -E 'Chicago|dada2|flowWorkspace|LymphoSeq' | parallel ~/build/R-3.5.0/bin/R CMD check &
  +ls -1 *.tar.gz | grep -E 'Chicago|dada2|flowWorkspace|LymphoSeq' | parallel R CMD check &
   
   # Warning: replacing previous import robustbase::sigma by stats::sigma when loading VIM
   # Reinstalling robustbase fixed this warning. Even though it was up to date, reinstalling made a difference.
  
positive.code:       "OK      :",sprintf("%3d",length(ok)),"\n",
        "TOTAL   :",length(e)+length(w)+length(n)+length(ok),"/",length(deps),"\n",
        "RUNNING :",sprintf("%3d",length(r)),":",paste(sort(names(x)[r])),"\n",
        if (length(ns)==0) "\n" else paste0("NOT STARTED (first 20 of ",length(ns),") : ",paste(sort(names(x)[head(ns,20)]),collapse="|"),"\n")
        )
    assign(paste0(".fail.",which), c(sort(names(x)[e]), sort(names(x)[w])), envir=.GlobalEnv)
    invisible()
  
negative.code: sudo apt-get -y install libjq-dev libprotoc-dev libprotobuf-dev and protobuf-compiler   # for protolite
  sudo apt-get -y install python-dev  # for PythonInR
  sudo apt-get -y install gdal-bin libgeos-dev  # for rgdal/raster tested via lidR
  sudo apt-get build-dep r-cran-rsymphony   # for Rsymphony: coinor-libcgl-dev coinor-libclp-dev coinor-libcoinutils-dev coinor-libosi-dev coinor-libsymphony-dev
  sudo R CMD javareconf
  # ENDIF
  
  