use File::DosGlob;
$fn =  'c:/temp/*';
my @m = File::DosGlob::doglob(1,$fn);
for (@m) {
# if directory add contents to end of Array
push @m, File::DosGlob::doglob(1,$_.'/*') if -d($_);
if (m!^.*/xxxx!) { # if filename starts with xxxx
do_something_with($_);
}
}