require_now: Install packages only if not yet installed

In kamapu/gisrepos: Repositories of Spatial Data Sets for Environmental Sciences

Description

A list of packages will be compared with the installed ones and if missing, installed. These packages will be also loaded in the current session. This function is a wrapper of update.packages() and install.packages().

Usage

require_now(pkgs, update = FALSE, ...)

Arguments

pkgs	Character vector, the names of the packages to be installed.
update	Logical value indicating whether installed packages should be updated or not (done by update.packages()).
...	Further arguments passed to install.packages().

Author(s)

Markus Alfter and Miguel Alvarez.

kamapu/gisrepos documentation built on Jan. 1, 2021, 7:14 a.m.