SciViews (version 0.8-8)

Require: A Require Package Function with a GUI (for Windows only)

Description

A Require Package Function with a GUI (for Windows only).

Usage

Require(package, bundle = NULL, quietly = FALSE, warn.conflicts = TRUE,
      keep.source = getOption("keep.source.pkgs"),
      character.only = FALSE, version, save = TRUE,gui=getOption("guiRequire"))

Arguments

package

the name of a package, given as a name or literal character string, or a character string, depending on whether character.only is FALSE (default) or TRUE).

bundle

a character string specifying the name of the bundle where the required package can be found. This is useful to specify, otherwise, Require() will look for the package name in the repository, while only the bundle name can be found t

quietly

a logical. If TRUE, no message confirming package loading is printed.

warn.conflicts

logical. If TRUE, warnings are printed about code{conflicts} from attaching the new package, unless that package contains an object .conflicts.OK.

keep.source

logical. If TRUE, functions keep their source including comments, see argument keep.source to options.

character.only

a logical indicating whether package or help can be assumed to be character strings.

version

A character string denoting a version number of the package to be loaded. If no version is given, a suitable default is chosen.

save

logical or environment. If TRUE, a call to require from the source for a package will save the name of the required package in the variable ".required", allowing function

gui

logical. If FALSE, this function behaves just like the require function. If TRUE, then if a package fails to load, the user will be prompted with a message box and dialog asking wh

Examples

options(guiRequire = TRUE)
  # For packages which are already installed, Require works in the same way as require.
  Require(base)

  # For packages which are not installed, Require asks the user whether they would like to install the package.
  # Require(foo)