Date: Fri, 13 Aug 2010 17:23:06 +0200 From: "Len Conrad" <lconrad@Go2France.com> To: <freebsd-questions@freebsd.org> Subject: awk problem Message-ID: <201008131723.AA679149726@mail.Go2France.com>
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I readfile or pipe this text, in any line order:
rm90.steampick.info
fgce172.lanejive.info
smailer1.service.govdelivery.com
fl49.orangetalon.info
pollux.carespecial.info
into a program to remove subdomains down to domain.tld :
awk 'FS="." { print $(NF-1)"."$NF }'
and get the first line doubled rather than processed like the other lines:
rm90.steampick.info.rm90.steampick.info
lanejive.info
govdelivery.com
orangetalon.info
carespecial.info
thanks
Len
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