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Knit R Markdown using the classic Docco style

Source: R/rocco.R
rocco.Rd

The classic Docco style is a two-column layout, with text in the left and code in the right column.

Usage

rocco(input, ...)

Arguments

input

Path of the input R Markdown file.

...

Arguments to be passed to knit2html

Value

An HTML file is written, and its name is returned.

Details

The output HTML page supports resizing and hiding/showing the two columns. Move the cursor to the center of the page, and it will change to a bidirectional resize cursor; drag the cursor to resize the two columns. Press the key t to hide the code column (show the text column only), and press again to hide the text column (show code).

References

The Docco package by Jeremy Ashkenas: https://github.com/jashkenas/docco

Author

Weicheng Zhu and Yihui Xie

Examples

rocco_view = function(input) {
    owd = setwd(tempdir())
    on.exit(setwd(owd))
    if (!file.exists(input))
        return()
    o = rocco(input, quiet = TRUE)
    if (interactive())
        browseURL(o)
}
# knit these two vignettes using the docco style
rocco_view(system.file("doc", "docco-classic.Rmd", package = "knitr"))
#> NULL
rocco_view(system.file("doc", "knit_expand.Rmd", package = "knitr"))
#> NULL