/usr/lib/R/site-library/knitr/demo/notebook.R is in r-cran-knitr 1.17-2.
This file is owned by root:root, with mode 0o644.
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1 2 3 | # for installation, see https://github.com/rstudio/shiny
library(shiny)
runApp(system.file('shiny', package = 'knitr'))
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