R/zzz.R

In ChrisNice89/rdao: Data Access Object (DAO) framework for R

.onAttach <- function(libname, pkgname) {
  packageStartupMessage(
    paste(
      "This package ist created,developed and copyrighted by Christoph Nitz.",
      "Interested parties may contact <Christoph.Nitz89@gmail.com>",
      sep = "\n"
    ),
    domain = NULL,
    appendLF = TRUE
  )
}

.onLoad <- function(libname, pkgname) {
  op <- options()
  op.devtools <- list(
    devtools.path = "~/R-dev",
    devtools.install.args = "",
    devtools.name = "Christoph Nitz",
    devtools.desc.author = "Christoph Nitz <Christoph.Nitz@gmail89.com> [aut, cre]",
    devtools.desc.license = "No license specified",
    devtools.desc.suggests = "NULL",
    devtools.desc = list()
  )
  toset <- !(names(op.devtools) %in% names(op))
  if (any(toset))
    options(op.devtools[toset])

  # helper
  installer <- function(pkg){
    new.pkg <- pkg[!(pkg %in% installed.packages()[, "Package"])]
    if (length(new.pkg))
      install.packages(new.pkg, dependencies = TRUE)
    sapply(pkg, require, character.only = TRUE)
  }
  packages<- c("R6","DBI","ODCB")
  installer(packages)
  invisible()
}