c:\@Work\Perl\monks>perl -wMstrict -le
"my $my_print = sub { print qq{howdy @_}; };
 ;;
 my $conf = { 'cmd' => $my_print };
 ;;
 &{ $conf->{'cmd'} };
 $conf->{'cmd'}->('there');
 $conf->{cmd}('doody');
"
howdy
howdy there
howdy doody