installed: Package source: installed packages

Description Usage Arguments Examples

View source: R/source-installed.r

Description

This source represents packages that are already installed on-disk. By default it uses all libraries found in .libPaths. Installed packages are divided into base and other libraries to avoid ever reinstalling base packages (which is a bad idea).

Usage

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  installed(paths = .libPaths())

  base()

Arguments

paths

A character vector of library paths. .Library is always removed as it is provided by the base source.

Examples

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inst <- installed()
inst
has_package(inst, "ggplot2")

package_info(base(), "MASS")
package_url(base(), "lattice")

hadley/packman documentation built on May 17, 2019, 11:04 a.m.