R/load_dependencies.R

In Ischi94/cpnr:

#' Load tutorial dependencies
#'
#' Load the package dependencies of the specified tutorial in the cpnr package.
#' If the package dependency is not installed, this function will install and
#' subsequently load it.
#'
#' @param packages Packages needed to run a tutorial
#'
#'
#' @examples
#' \dontrun{
#' packages <- show_dependencies(tutorial = "divdyn")
#' load_dependencies(packages = packages)
#' }
#'
#' @seealso \code{show_dependencies} to get the tutorial dependencies.
#'
#'
#' @rdname load_dependencies
#'
#' @export
load_dependencies <- function(packages) {
  suppressWarnings(
    for (p in packages) {
      if (!require(p, character.only = TRUE)) utils::install.packages(p)
      library(p, character.only = TRUE, quietly = TRUE, verbose = FALSE)
    }
  )
}