$exp_v6 = $1 . ':0' x (8-length($exp_v6)) . ':' . $2;
} elsif ( $parm_ipv6 =~ /^::(.+[^:])$/ ) {
$exp_v6 = '0:' x (9-length($exp_v6)) . $1;
$exp_v6 = $1 . ':0' x (8-length($exp_v6)) . ':' . $2;
} elsif ( $parm_ipv6 =~ /^::(.+[^:])$/ ) {
$exp_v6 = '0:' x (9-length($exp_v6)) . $1;
}
my(@components) = split /:/, $exp_v6;
my(@nibbles) = reverse (split /\s*/, shift @components);
}
my(@components) = split /:/, $exp_v6;
my(@nibbles) = reverse (split /\s*/, shift @components);