return true
  }

  #
  # NOTE: This procedure attempts to verify that an instance of .NET Core
  #       and its associated runtimes are installed locally.  There are no
  #       arguments.  The return value is non-zero if Mono appears to be
  #       installed and available for use; otherwise, the return value is
  #       zero.
  #       arguments.  The return value is non-zero if .NET Core appears to
  #       be installed and available for use; otherwise, the return value
  #       is zero.
  #
  proc isDotNetCoreInstalled {} {
    variable dotnetFileNameOnly
    variable dotnetInstalledCommand
    variable dotnetInstalledPattern

    if {[isEagle]} then {