check_package Internal function to check if a package is installed. — check_package • rbms

check_package Internal function to check if a package is installed.

Usage

check_package(
  pkgName = NULL,
  message1 = "You need to install ",
  message2 = "This version requires"
)

Arguments

pkgName: The package name to be verified.
message1: Inform the user about the package dependency.
message2: Inform the user what happen if the package is not installed.

Value

If package is not found, the user is offered the option to install the missing package.

Author

Reto Schmucki - retoshm@ceh.ac.uk