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Date: Wed, 24 Aug 2005 16:04:12 +0300
From: Giorgos Keramidas <keramida@ceid.upatras.gr>
To: antenneX <antennex@swbell.net>
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Cc: freebsd-questions@freebsd.org
Subject: Re: Script help using "cut"
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On 2005-08-24 07:58, antenneX <antennex@swbell.net> wrote:
>"antenneX" <antennex@swbell.net> wrote:
>>"Giorgos Keramidas" <keramida@ceid.upatras.gr> wrote:
>>>>     (envelope-from spammer@badguy.com)
>>>>     (envelope-from spammer2@badguy2.com)
>>>>     (envelope-from spammer3@badguy3.com)
>>>>
>>>> All ideas appreciated....
>>>
>>> $ awk '{print $2}' tmpfile | sed -e 's/)[[:space:]]*$//' | sort | uniq
>
> Just woke up this morning and realized I needed to chop off more --
> everything except the domain.
>
> So, instead of spammer@badguy.com I need the result badguy.com
>
> How could the above awk line be expanded to chop off the username@
> portion as well?

sed(1) can do more than one substitutions in one line:

	sed -e 's/)[[:space:]]*$//' -e 's/^.*@//'

or you can use as complex regular expressions as necessary to cut
specific parts of the line:

	sed -e 's/^.*@\([^)]*\))[[:space:]]*$/\1/'