partition_chunk {knitr}R Documentation

Partition chunk options from the code chunk body

Description

Chunk options can be written in special comments (e.g., after ⁠#|⁠ for R code chunks) inside a code chunk. This function partitions these options from the chunk body.

Usage

partition_chunk(engine, code)

Arguments

engine

The name of the language engine (to determine the appropriate comment character).

code

A character vector (lines of code).

Value

A list with the following items:

options

The parsed options (if any) as a list.

src

The part of the input that contains the options.

code

The part of the input that contains the code.

Examples

# parse yaml-like items
yaml_like = c("#| label: mine", "#| echo: true", "#| fig.width: 8", "#| foo: bar",
    "1 + 1")
writeLines(yaml_like)
knitr::partition_chunk("r", yaml_like)

# parse CSV syntax
csv_like = c("#| mine, echo = TRUE, fig.width = 8, foo = 'bar'", "1 + 1")
writeLines(csv_like)
knitr::partition_chunk("r", csv_like)

[Package knitr version 1.39 Index]