createPkgLoader {FastUtils}

Create Package Loader Function

Description

This function creates a package loader function that can install and load packages from CRAN, Bioconductor, or GitHub, optionally displaying verbose output. This function can be useful in new R instances with little dependencies available.

The function takes the following arguments:

• cran

• bioc

• gh

• verbose

where cranandbioc⁠take character vectors of package names on CRAN and Bioconductor, while⁠gh⁠takes character vectors with the formatting⁠githubUsername/packageName. verbose' takes in a logical for whether to display additional informative messages in the REPL.

The function will not install packages that can already be loaded by default.

Usage

createPkgLoader(lib = .libPaths()[1])

Arguments

lib

A character vector specifying the library directory for package installation of the output function. Defaults to the current default package installation directory in .libPaths()[1]

Value

A function that installs and loads packages.

Examples

# Create the package loader function
loader <- createPkgLoader()

# # commented usage example
# loader(
#   cran = c("dplyr", "ggplot2"),
#   bioc = c("GenomicRanges", "Biobase"),
#   gh = c("tidyverse/dplyr"),
#   verbose = FALSE
# )