sed replace 2nd instance

Thread Tools Search this Thread
Top Forums Shell Programming and Scripting sed replace 2nd instance
# 1  
Old 02-12-2008
sed replace 2nd instance in a file


I want to replace 2nd instance of "foo" in a file use sed.

Any suggestions?

Last edited by katrvu; 02-12-2008 at 02:30 PM..
# 2  
Old 02-12-2008
sed 's/foo/FOBAR/2'

# 3  
Old 02-12-2008
Originally Posted by denn
sed 's/foo/FOBAR/2'

I believe that only replace 2nd instance in a line, but what if I want to replace 2nd instance in a file?

thank you for the suggestion
Login or Register to Ask a Question

Previous Thread | Next Thread

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

Replace every second instance of delimeter

Hi, Need help on replacing every second instance of delimeter. Scenario: var="Name1,Value1,Name2,Value2,Name3,Value3,Name4,Value" I want every second "," to replace with "|" I tried like below echo $var| sed 's/,/|/2' But, it's not working. Expected output: ... (4 Replies)
Discussion started by: Sumanthsv
4 Replies

2. Shell Programming and Scripting

sed for first instance of a pattern

Hi Everyone, I have the below information from a log file: LOAD SUMMARY ============ WRT_8036 Target: TGT_1_TAB (Instance Name: ) WRT_8039 Inserted rows - Requested: 3929 Applied: 0 Rejected: 3929 Affected: 0 Mutated from update: 3929 WRT_8041 Updated rows ... (7 Replies)
Discussion started by: galaxy_rocky
7 Replies

3. Shell Programming and Scripting

Script to replace last instance of . between two consecutive = sign by ,

Suppose you have a line like this: cn=user.blr.ou=blr.india.o=company The line should be converted like this: cn=user.blr,ou=blr.india,o=comapny Was wondering how to do that using shell script. Please use tags where appropriate, thank you (4 Replies)
Discussion started by: saurabhkoar
4 Replies

4. Shell Programming and Scripting

Complex find and replace only 1st instance string with dynamic combination

test.txt is the dynamic file but some of combination are fix like below are the lines ;wonder_off = ;wonder_off = disabled wonder_off = wonder_off = disabled the test.txt can content them in any order #cat test.xt ;wonder_off = ;wonder_off = disabled wonder_off = wonder_off =... (5 Replies)
Discussion started by: SilvesterJ
5 Replies

5. Shell Programming and Scripting

Using sed can you specify the last instance of a character on a line?

I was told a way to do this with awk earlier today but is there a way with sed to specify the last instance of a character on a line? You will know what character you're looking for but there could be none or one hundred instances of it on a line say and you ONLY want to specify the last one for... (3 Replies)
Discussion started by: Bashingaway
3 Replies

6. Shell Programming and Scripting

Replace all but skip first instance in a line

I have a record like the one given below. 010000306551~IN ~N~ |WINDWARD PK|Alpharetta| If ~ is present more than instance in a line,then I need to delete those instances. Any ideas? I am working in Solaris (7 Replies)
Discussion started by: prasperl
7 Replies

7. Linux

How to replace the 2nd character in a string using sed?

Hi, i have string var1=NN. Based on conditions, i have to change this first N to Y or second N to Y and send the details to other process. How to do that? This is a linux machine. Thanks, Selva (1 Reply)
Discussion started by: bharathappriyan
1 Replies

8. Shell Programming and Scripting

Sed on first instance only

Hi, I've been trying to figure this one out and found a post about this on the forum here but the solution didn't seem to work for me. Basically what I have is a file that looks something like: stuff morestuff 0 otherthing 0 etc I want to substitute for the 0 but what I want to... (9 Replies)
Discussion started by: eltinator
9 Replies

9. Shell Programming and Scripting

replace nth instance of string

Hi all, I have file with following content ........................... ..........TEST.......... ..........TEST.......... ..................... .....TEST.......... ..................... ..................... .....TEST.......... I want to replace nth "TEST" with "OK" using... (4 Replies)
Discussion started by: uttamhoode
4 Replies

10. Shell Programming and Scripting

replace first instance(not first instance in line)

Alright, I think I know what I am doing with sed(which probably means I don't). But I cant figure out how to replace just the first occurance of a string. I have tried sed, ed, and grep but can't seem to figure it out. If you have any suggestions I am open to anything! (3 Replies)
Discussion started by: IronHorse7
3 Replies
Login or Register to Ask a Question