Login or Register to Ask a Question and Join Our Community


Shell Programming and Scripting

awk print second line after search string

Login to Discuss or Reply to this Discussion in Our Community

 
Thread Tools Search this Thread
Top Forums Shell Programming and Scripting awk print second line after search string
# 1  
Old 06-28-2010
awk print second line after search string
I have multiple config files where I need to pull the ip address from loopback3. The format is the same in every file, the ip is the second line after interface loopback3.
Code:
 interface loopback2 loopback
  description router ID
  ip address 192.168.1.1
 interface loopback3 loopback
  description ID:Management
  ip address 10.1.1.1
 interface loopback4 loopback
  ip address 10.2.1.1

I need the output to be:
Code:
10.1.1.1

# 2  
Old 06-28-2010
Code:
awk '/loopback3/{getline;getline;print $3}' file

# 3  
Old 06-28-2010
Code:
nawk '$2=="loopback3" {c=3}c>0 &&!--c{print $3}' myFile

# 4  
Old 06-28-2010
Thank you bartus11, I had no idea about the "getline" function in awk. Works like a charm.

Thanks to you also vgersh99, both methods do the job.
Login or Register to Ask a Question

Previous Thread | Next Thread

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

Grep command to search a regular expression in a line an only print the string after the match

Hello, one step in a shell script i am writing, involves Grep command to search a regular expression in a line an only print the string after the match an example line is below /logs/GRAS/LGT/applogs/lgt-2016-08-24/2016-08-24.8.log.zip:2016-08-24 19:12:48,602 ERROR... (9 Replies)
Discussion started by: Ramneekgupta91
9 Replies

2. Shell Programming and Scripting

String search and print next all lines in one line until blank line

Dear all I want to search special string in file and then print next all line in one line until blank lines come. Help me plz for same. My input file and desire op file is as under. i/p file: A1/EXT "BSCABD1_21233G1" 757 130823 1157 RADIO X-CEIVER ADMINISTRATION BTS EXTERNAL FAULT ... (7 Replies)
Discussion started by: jaydeep_sadaria
7 Replies

3. Shell Programming and Scripting

Search several string and convert into a single line for each search string using awk command AIX?.

I need to search the file using strings "Request Type" , " Request Method" , "Response Type" and by using result set find the xml tags and convert into a single line?. below are the scenarios. Cat test Nov 10, 2012 5:17:53 AM INFO: Request Type Line 1.... (5 Replies)
Discussion started by: laknar
5 Replies

4. Shell Programming and Scripting

Search string and print the above line and below lines?.

if the first string matches then print the previous line and current line and also print the following lines if the other string search matches. Input ------ TranTime 2012 10 12 The Record starts here Accountnumber: 4632473431274 TxnCode 323 TranID 329473242834 ccsdkcnsdncskd... (7 Replies)
Discussion started by: laknar
7 Replies

5. Shell Programming and Scripting

Search for string and print top and bottom line

Hi Folks I need a one liner to parse through a log and if the string is found print the line above, the line with the string and the line below. example: The ball is green and blue Billy through the ball higer. Jane got hurt with the ball. So if I search for Billy I would need the 3... (1 Reply)
Discussion started by: bombcan
1 Replies

6. Shell Programming and Scripting

search a word and print specific string using awk

Hi, I have list of directory paths in a variable and i want to delete those dirs and if dir does not exist then search that string and get the correct path from xml file after that delete the correct directory. i tried to use grep and it prints the entire line from the search.once i get the entire... (7 Replies)
Discussion started by: dragon.1431
7 Replies

7. Shell Programming and Scripting

Print lines after the search string until blank line is found

All I want is to look for the pattern in the file...If I found it at # places... I want print lines after those pattern(line) until I find a blank line. Log EXAMPLE : MT:Exception caught The following Numbers were affected: 1234 2345 2346 Error java.lang.InternalError:... (3 Replies)
Discussion started by: prash184u
3 Replies

8. Shell Programming and Scripting

Search a string and print the rest of line

Hi Guys, I need to search a string and print the rest of the lines... input: 8 0 90 1 0 59 20 2488 96 30006dde372 S ? 0:00 /etc/opt/SUNWconn/atm/bin/atmsnmpd -n output: 00 /etc/opt/SUNWconn/atm/bin/atmsnmpd -n Actually i don even need the first "00".. any suggestions is appreciated..... (13 Replies)
Discussion started by: mac4rfree
13 Replies

9. Shell Programming and Scripting

awk search column, print line

Hello. I've been banging my head against walls trying to search a comma delimited file, using awk. I'm trying to search a "column" for a specific parameter, if it matches, then I'd like to print the whole line. I've read in multiple texts: awk -F, '{ if ($4 == "string") print $0 }'... (2 Replies)
Discussion started by: Matthias03
2 Replies

10. Shell Programming and Scripting

How to use sed to search for string and Print previous two lines and current line

Hello, Can anybody help me to correct my sed syntax to find the string and print previous two lines and current line and next one line. i am using string as "testing" netstat -v | sed -n -e '/test/{x;2!p;g;$!N;p;D;}' -e h i am able to get the previous line current line next line but... (1 Reply)
Discussion started by: nmadhuhb
1 Replies
Login or Register to Ask a Question