library("exams")
oopt <- options(device.ask.default = FALSE, exams_tex = "tools")

## define an exam (= list of exercises)
myexam <- list(
  "tstat2.Rmd",
  "ttest.Rmd",
  "relfreq.Rmd",
  "anova.Rmd",
  c("boxplots.Rmd", "scatterplot.Rmd"),
  "cholesky.Rmd"
)

## create multiple exams on the disk (in a temporary directory)
dir.create(mydir <- tempfile())

## generate NOPS exam in temporary directory
set.seed(403)
ex1 <- exams2nops(myexam, n = 2, dir = mydir)
dir(mydir)

## use a few customization options: different
## university/logo and language/title
## with a replacement sheet but for non-duplex printing
set.seed(403)
ex2 <- exams2nops(myexam, n = 2, dir = mydir,
  institution = "Universit\\\\\"at Innsbruck",
  name = "uibk", logo = "uibk-logo-bw.png",
  title = "Klausur", language = "de",
  replacement = TRUE, duplex = FALSE)
dir(mydir)

options(exams_tex = oopt$exams_tex)