unless ($dontdothis)
	{
	dofistcritical()
	or
		{
		dobackupcritical()
		or
			{
			die "main and backup failed";
			}
		dobackupremainder();
		exit 0;
		}
	dofirstremainder();
	exit 0;
	}

##</code><code>##

tryfirstchoice() or trysecondchoice() or trynextchoice or .... trylastchoice();