If you embed perl (I do), then this will work for you.
sub flipit {
my @parts, @new;
@parts = split("\\.", shift);
while (@parts) {
push(@new, pop(@parts));
}
return join ".", @new;
}
to test, stick it in a file and use
print flipit("
www.i.am.here.com"), "\n";
--- Marc Sherman <msherman@???> wrote:
> Here's a brain-teaser for the string expansion gurus on the list.
>
> Is it possible to reverse a domain name with Exim's string expansion
> operators?
>
> EG: given input "foo.bar.baz.com", output "com.baz.bar.foo".
>
> Thanks,
> - Marc
>
> --
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>
