note toolic Another way (stealing [james2vegas]'s die message): <c> use warnings; use strict; use Getopt::Long; my $_debug = 1; # or whatever default you want it to be GetOptions('d=i' => \$_debug) or die("Invalid commmand line options."); die "Invalid Debug Level ($_debug)" if $_debug<1 or $_debug>4; print "\$_debug = $_debug\n"; </c> 996976 996976