chooseCRANmirror {utils} | R Documentation

## Select a CRAN Mirror

### Description

Interact with the user to choose a CRAN mirror.

### Usage

    chooseCRANmirror(graphics = getOption("menu.graphics"))

### Arguments

`graphics` | Logical. If true and tcltk and an X server are available, use a Tk widget, or if under the AQUA interface use a MacOS X widget, otherwise use `menu`.

### Details

A list of mirrors is stored in file ‘`R_HOME/doc/CRAN_mirrors.csv`’, but first an on-line list of current mirrors is consulted, and the file copy used only if the on-line list is inaccessible.

This function was originally written to support a Windows GUI menu item, but is also called by `contrib.url` if it finds the initial dummy value of `options("repos")`.

### Value

None. This function is invoked for its side effect of updating `options("repos")`

### See Also

`setRepositories`, `contrib.url`.

[Package utils version 2.4.1 Index]