knitr-hooks: Callbacks for knitr.
In lbartnik/utilities: Variety of Utils

Description Usage Arguments See Also Examples

ansi_handler converts ANSI color codes to HTML tags; this is the callback for knitr, see ansi_to_html for the actual implementation.

create_trimming_hook Creates an output callback function (hook) for knitr. When registered, it gets triggered by the output.lines option passed in a knitr's code snippet. See this Stack Overflow question for more details.

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ansi_handler(x, options)

create_trimming_hook(output_hook)

`x`	Text snippet.
`options`	options.
`output_hook`	`knitr`'s output hook used to print the transformed output.

ansi_to_html

## Not run: 
knitr::knit_hooks$set(output = ansi_handler)
knitr::knit_hooks$set(message = ansi_handler)

## End(Not run)
## Not run: 
output_hook <- knit_hooks$get("output")
trimming_hook <- create_trimming_hook(output_hook)
knit_hooks$set(output = trimming_hook)

## End(Not run)