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dig-x: only part of the output is needed

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# 1  
Old 01-05-2011
dig-x: only part of the output is needed
Hi everyone,

how can I get the highlighted text only?

I am only concerned with the first line of the "AUTHORITY SECTION" (in red).

Quote:
; <<>> DiG 9.6.2-P2-RedHat-9.6.2-4.P2.fc11 <<>> -x 173.194.37.104
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 58891
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 4, ADDITIONAL: 4

;; QUESTION SECTION:
;104.37.194.173.in-addr.arpa. IN PTR

;; ANSWER SECTION:
104.37.194.173.in-addr.arpa. 35692 IN PTR lhr14s02-in-f104.1e100.net.

;; AUTHORITY SECTION:
194.173.in-addr.arpa. 34043 IN NS NS3.GOOGLE.COM.
194.173.in-addr.arpa. 34043 IN NS NS1.GOOGLE.COM.
194.173.in-addr.arpa. 34043 IN NS NS2.GOOGLE.COM.
194.173.in-addr.arpa. 34043 IN NS NS4.GOOGLE.COM.

;; ADDITIONAL SECTION:
NS1.GOOGLE.COM. 289233 IN A 216.239.32.10
NS2.GOOGLE.COM. 289233 IN A 216.239.34.10
NS3.GOOGLE.COM. 289233 IN A 216.239.36.10
NS4.GOOGLE.COM. 289233 IN A 216.239.38.10

;; Query time: 12 msec
;; SERVER: 131.251.0.4#53(131.251.0.4)
;; WHEN: Wed Jan 5 23:39:01 2011
;; MSG SIZE rcvd: 231
thank you in advance
# 2  
Old 01-05-2011
Try...
Code:
awk '/AUTHORITY SECTION/{getline; print $NF}' file1

This User Gave Thanks to Ygor For This Post:
Abdulelah
# 3  
Old 01-05-2011
Thanks for that Ygor, I am really thankful for that.

thank you very much
# 4  
Old 01-06-2011
thru sed..
Code:
sed -n '/AUTHORITY SECTION/{N;s/.* //p}' inputfile > outfile

# 5  
Old 05-23-2011
Quote:
Originally Posted by michaelrozar17
thru sed..
Code:
sed -n '/AUTHORITY SECTION/{N;s/.* //p}' inputfile > outfile

Hi michaelrozar, could you tell me how to tailor the above sed code to give the same output as?
Code:
grep -A 1  patt

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