library(DiagrammeR) knitr::opts_chunk$set( echo = FALSE )
```{bash dir structure, results = 'hide' } html files are excluded from the tree tree -I '*.css' -H '' --nolinks -o fd_str_tree.html
```r htmltools::includeHTML("fd_str_tree.html") if (file.exists("fd_str_tree.html")) unlink("fd_str_tree.html")
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