$result = GetOptions ( "all"      => \$opt_a,
                       "force"    => \$opt_f,
                       "verbose"  => \$opt_v,
                       "check"    => \$opt_c,
                       "debug"    => \$opt_d,

                       "get=s"    => \$opt_g,
                       "source=s" => \$opt_s,
                       "number=i" => \$opt_n,
                       "backup=s" => \$opt_b
);