R: An output wrapper for language engine output

engine_output {knitr} | R Documentation

## An output wrapper for language engine output

### Description

If you have designed a language engine, you may call this function in the end to format and return the text output from your engine.

### Usage

    engine_output(options, code, out, extra = NULL)

### Arguments

`options` | a list of chunk options (usually this is just the object `options` passed to the engine function; see `knit_engines`)
`code` | the source code of the chunk, to which the output hook `source` is applied, unless the chunk option `echo == FALSE`
`out` | the text output from the engine, to which the hook `output` is applied, unless the chunk option `results == 'hide'`
`extra` | any additional text output that you want to include

### Value

A character string generated from the source code and output using the appropriate output hooks.

[Package knitr version 1.16 Index]