R: Sets package repositories

useRepos {R.utils} | R Documentation

## Sets package repositories

### Description

Sets package repositories.

### Usage

    useRepos(repos=NULL, where=c("before", "after", "replace"), unique=TRUE, fallback=TRUE,
      ...)

### Arguments

`repos` | A `character` `vector` of repositories to use. If `NULL`, nothing is replaced.
`where` | A `character` string specifying how to add them to the current set of repositories.
`unique` | If `TRUE`, only unique repositories are set.
`fallback` | If `TRUE`, any remaining non-specified repository value of format '`...`@' (e.g. '@CRAN@') than could not be recovered by other means, will be assigned to a pre-defined known value, if possible. If so, then an informative warning is given.
`...` | Not used.

### Value

Returns a `list` with element 'repos' reflecting `options("repos")` as the options where prior to calling this function.

### Author(s)

Henrik Bengtsson

### See Also

`withRepos`().

[Package R.utils version 2.7.0 Index]