/usr/lib/R/site-library/knitr/examples/ is in r-cran-knitr 1.17-2.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/R/site-library/knitr/examples/README.md
/usr/lib/R/site-library/knitr/examples/Sweavel.sty
/usr/lib/R/site-library/knitr/examples/child/
/usr/lib/R/site-library/knitr/examples/child/knitr-child-a.Rnw
/usr/lib/R/site-library/knitr/examples/child/knitr-child-b.Rnw
/usr/lib/R/site-library/knitr/examples/child/knitr-child.Rmd
/usr/lib/R/site-library/knitr/examples/child/knitr-main.Rmd
/usr/lib/R/site-library/knitr/examples/child/knitr-main.Rnw
/usr/lib/R/site-library/knitr/examples/child/knitr-parent.Rnw
/usr/lib/R/site-library/knitr/examples/child/sub/
/usr/lib/R/site-library/knitr/examples/child/sub/knitr-child-c.Rnw
/usr/lib/R/site-library/knitr/examples/download_count.csv
/usr/lib/R/site-library/knitr/examples/knit-all.R
/usr/lib/R/site-library/knitr/examples/knitr-beamer.Rnw
/usr/lib/R/site-library/knitr/examples/knitr-beamer.lyx
/usr/lib/R/site-library/knitr/examples/knitr-graphics.Rnw
/usr/lib/R/site-library/knitr/examples/knitr-graphics.lyx
/usr/lib/R/site-library/knitr/examples/knitr-input-child.Rnw
/usr/lib/R/site-library/knitr/examples/knitr-input.Rnw
/usr/lib/R/site-library/knitr/examples/knitr-latex.Rtex
/usr/lib/R/site-library/knitr/examples/knitr-listings.Rnw
/usr/lib/R/site-library/knitr/examples/knitr-listings.lyx
/usr/lib/R/site-library/knitr/examples/knitr-manual.Rnw
/usr/lib/R/site-library/knitr/examples/knitr-manual.bib
/usr/lib/R/site-library/knitr/examples/knitr-manual.lyx
/usr/lib/R/site-library/knitr/examples/knitr-minimal.Rmd
/usr/lib/R/site-library/knitr/examples/knitr-minimal.Rnw
/usr/lib/R/site-library/knitr/examples/knitr-minimal.Rrst
/usr/lib/R/site-library/knitr/examples/knitr-minimal.brew
/usr/lib/R/site-library/knitr/examples/knitr-minimal.lyx
/usr/lib/R/site-library/knitr/examples/knitr-packages.bib
/usr/lib/R/site-library/knitr/examples/knitr-spin.R
/usr/lib/R/site-library/knitr/examples/knitr-spin.Rmd
/usr/lib/R/site-library/knitr/examples/knitr-spin.html
/usr/lib/R/site-library/knitr/examples/knitr-subfloats.Rnw
/usr/lib/R/site-library/knitr/examples/knitr-subfloats.lyx
/usr/lib/R/site-library/knitr/examples/knitr-themes.Rnw
/usr/lib/R/site-library/knitr/examples/knitr-themes.lyx
/usr/lib/R/site-library/knitr/examples/knitr-twocolumn.Rnw
/usr/lib/R/site-library/knitr/examples/knitr-twocolumn.lyx
/usr/lib/R/site-library/knitr/examples/upload-github.R