Len Conrad wrote:
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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How about:
awk -F. '{ print $(NF-1)"."$NF }'
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