# $program is what you pass in as the Program key
    # $progargs is the array reference of arguments
    else {
      if (ref($program) eq 'ARRAY') {
        exec(@$program, @$prog_args)
          or die "can't exec (@$program) in child pid $$: $!";
      }
      else {
        exec(join(" ", $program, @$prog_args))
          or die "can't exec ($program) in child pid $$: $!";
      }
    }