knitrhooks

knitrhooks provides useful knitr hooks to extend the functionality of knitr, Rmarkdown and bookdown.

Available Hooks

The below table details the hooks currently available within the package. Some hooks are only available for particular output formats.

hook name	description	HTML	PDF
output_lines	Print user specified lines of R output	X	X
output_max_height	Add a scrollbar to output of a given height	X
source_verbatim	Print verbatim code chunks	X	X
chunk_head	Print chunk headers within outputs	X	X

Usage

Currently the package requires you to load the functionality of each given hook before you can use it. Alternative solutions are currently being considered.

```{r max_height_example}
library(knitrhooks)
output_max_height()
```

# Example document

```{r output_max_height = "300px"}
print(mtcars)
```

The above code will produce the following HTML document.