Print nth previous line after match


Login or Register for Dates, Times and to Reply

 
Thread Tools Search this Thread
Operating Systems AIX Print nth previous line after match
# 1  
Print nth previous line after match

Please help me
print nth line after match

awk or sed one line command.
# 2  
Is this a homework assignment? Homework and coursework questions can only be posted in the Homework & Coursework forum under special homework rules.

If you did post homework in this forum, please review the guidelines for posting homework and repost.

Otherwise, please:
  1. explain why you need to do this,
  2. show us what you have tried to solved this on your own,
  3. show us sample input and corresponding desired output, and
  4. tell us what operating system and shell you're using.
# 3  
================================================================================


- Process Beginning - 2016-03-31-00.24.17
10000 line logs

-Process Ending - 2016-03-31-00.25.17


I have get Process start and end time based on match found in between
# 4  
Please answer these questions:

Quote:
Originally Posted by Don Cragun
Is this a homework assignment? Homework and coursework questions can only be posted in the Homework & Coursework forum under special homework rules.

If you did post homework in this forum, please review the guidelines for posting homework and repost.

Otherwise, please:
  1. explain why you need to do this,
  2. show us what you have tried to solved this on your own,
  3. show us sample input and corresponding desired output, and
  4. tell us what operating system and shell you're using.
Login or Register for Dates, Times and to Reply

Previous Thread | Next Thread
Thread Tools Search this Thread
Search this Thread:
Advanced Search

Test Your Knowledge in Computers #820
Difficulty: Easy
Before CSS, nearly all presentational attributes of HTML documents were contained within the HTML markup.
True or False?

10 More Discussions You Might Find Interesting

1. UNIX for Beginners Questions & Answers

awk or sed to print the character from the previous line after the regexp match

Hi All, I need to print the characters in the previous line just before the regular expression match Please have a look at the input file as attached I need to match the regular expression ^ with the character of the previous like and also the pin numbers and the output file should be like... (6 Replies)
Discussion started by: kshitij
6 Replies

2. Shell Programming and Scripting

How to delete the previous line after pattern match?

Team, I am writing a shell script to perform few health checks of the system, where I need to delete the previous line in the text file after pattern match using sed (or) awk. Could you please help me out on this? For example, <td> <td style=color:green align=center> </td> </tr>... (6 Replies)
Discussion started by: Nagaraj R
6 Replies

3. Shell Programming and Scripting

How to display when nth line match a pattern?

Hi All, I have sample of listing as following Database 2 entry: Database alias = PXRES Database name = PXRES Local database directory = /db2/data1/db2phnx Database release level = d.00 Comment ... (3 Replies)
Discussion started by: ckwan
3 Replies

4. Shell Programming and Scripting

Print nth line in a file

Bash/Oracle Linux 6.4 A basic requirement. How can I get nth line of a file printed ? Can I use grep in this case ? Example: In the below file, 12th line is "Kernel parameter check passed for rmem_max" . I just want the 12 line to be printed. # cat sometext.txt Kernel version check... (2 Replies)
Discussion started by: John K
2 Replies

5. UNIX for Dummies Questions & Answers

Printing nth and n+1th line after a pattern match

Hi , I want to print the nth and n+1 lines from a file once it gets a pattern match. For eg: aaa bbb ccc ddd gh jjjj If I find a match for bbb then I need to print bbb as well as 3rd and 4th line from the match.. Please help..Is it possible to get a command using sed :) (6 Replies)
Discussion started by: saj
6 Replies

6. Shell Programming and Scripting

Print every nth line

Dear all, How to print every nth line. File like this: File input: 1 1 1 1 1 1 2 2 2 3 3 3 3 3 3 (3 Replies)
Discussion started by: attila
3 Replies

7. Shell Programming and Scripting

Delete line with match and previous line quoting/escaping problem

Hi folks, I've list of LDAP records in this format: cat cmmac.export.tmp2 dn: deviceId=0a92746a54tbmd34b05758900131136a506,ou=devices,ou=customer,ou=nl,o=upc cmmac: 00:13:11:36:a5:06 dn: deviceId=0a92746a62pbms4662299650015961cfa23,ou=devices,ou=customer,ou=nl,o=upc cmmac:... (4 Replies)
Discussion started by: tomas.polak
4 Replies

8. Shell Programming and Scripting

search pattern and replace x-y characters in nth line after every match

Hi, I am looking for any script which can do the following. have to read a pattern from fileA and copy it to fileB. fileA: ... ... Header ... ... ..p1 ... ... fileB: .... .... Header (3 Replies)
Discussion started by: anilvk
3 Replies

9. Shell Programming and Scripting

Getting filename for Nth line pattern match

Hi, I have many scripts in particular directory. And few of the scripts have exit 0 in second line. Now i wanted to list out the scripts name which has the exit 0 in its second line I tried many options , but i can not get the filename along with the nth line pattern match :mad:. Can anyone... (14 Replies)
Discussion started by: puni
14 Replies

10. UNIX for Dummies Questions & Answers

return previous line for pattern match

Hi, Need some idea on file processing, I have file like below, Processing al sources ... ...No value found : CHECK. Completed comparing all sources. Comparing schedulers... Processing al targets ... ...No value found : From above I need to extract the line where "No value... (4 Replies)
Discussion started by: braindrain
4 Replies

Featured Tech Videos