is_installed {rlang}R Documentation

Are packages installed in any of the libraries?

Description

This checks that packages are installed with minimal side effects. If installed, the packages will be loaded but not attached.

Usage

is_installed(pkg)

Arguments

pkg

The package names.

Value

TRUE if all package names provided in pkg are installed, FALSE otherwise.

Examples

is_installed("utils")
is_installed(c("base", "ggplot5"))
[Package rlang version 0.4.7 Index]