vignetteInfo {tools} | R Documentation

## Basic Information about a Vignette

### Description

Provide basic information including package and dependency of a vignette from its source file.

### Usage

    vignetteInfo(file)

### Arguments

`file` | file name of the vignette.

### Value

a `list` with components, each a possibly empty `character`:

`file` | the `basename` of the file.
`title` | the vignette title.
`depends` | the package dependencies.
`keywords` | keywords if provided.
`engine` | the vignette engine such as `"Sweave"`, `"knitr"`, etc.

### Note

`vignetteInfo(file)$depends` is a substitute for the deprecated `vignetteDepends()` functionality.

### See Also

`package_dependencies`

### Examples

    ## This may not be installed, as it requires lattice
      gridEx <- system.file("doc", "grid.Rnw", package = "grid")
      vi <- vignetteInfo(gridEx)
      str(vi)

[Package tools version 3.6.1 Index]