[Nolug] Sorting lists of domains

The list has been a little quiet (down ?) for a couple of days, so here's an easy question.

I'm looking for a utility - Linux or otherwise - to take a list of domains or even email
addresses and sort them from the TLD down. In other words, treating periods as field
delimiters and sorting fields from right to left. So, for example:

h.net
3.e.edu
c.mil
d.com
1.a.com
4.f.net
g.uk
2.b.gov
5.a.com

would sort to

1.a.com
5.a.com
d.com
3.e.edu
2.b.gov
c.mil
4.f.net
h.net
g.uk

Someone must have made a tool to do this, but I can't find one. I could probably cobble
something together in Perl, but I don't want to reinvent the wheel. All I get from
web searches are mailing list programs and domain registration tools.

Thanks.

Mark Robinson

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Received on 06/18/03