Nothing
# Script to extract R code from the vignettes and create a demo file with the
# extracted R code.
library(knitr)
files <- list.files("vignettes/")
vignette_files <- files[grep(pattern=".Rnw", x=files)]
for(file in vignette_files){
knit(input=paste("vignettes", file, sep="/"),
output=paste("demo", gsub(".Rnw", ".R", file), sep="/"),
tangle=TRUE)
}
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