sed search and replace


 
Thread Tools Search this Thread
Top Forums Shell Programming and Scripting sed search and replace
# 1  
Old 09-01-2009
sed search and replace

hi,

im new for sed, anyone can help me to these in sed command


my output file.txt
Code:
"aaa",a1,bbb
"ddd",a1,ccc
"eee",a1,www

need to change a1, to "a1","

output i need
Code:
"aaa","a1","bbb
"ddd","a1","ccc
"eee","a1","www

thanks in advance
fsp

Last edited by Don Cragun; 09-20-2016 at 04:37 AM.. Reason: Add CODE and ICODE tags.
# 2  
Old 09-01-2009
Hope this helps !

Code:
sed s/a1/\"a1\"/ outputfile

# 3  
Old 09-01-2009
great, it works. many many thanks
Login or Register to Ask a Question

Previous Thread | Next Thread

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

Search and replace error using sed

Hi, Basically , i search for a string ( from variable) in a input file , if line found then search a string called "STRING" and replace with text (from another variable ). I cant avoid # delimiter due to esc sequences. #!/bin/bash LINE="source/path" REPLACE="TEXT/TO/REPLACE" sed -e... (9 Replies)
Discussion started by: greet_sed
9 Replies

2. Shell Programming and Scripting

Need help with search and replace using SED

Hi guys, thanks for accepting me in your forum .. I am trying to clean some hacked PHP files using SSH .. I am using this command: find . -type f -print0 | xargs -0 sed -i '/god_mod/d' <?php ... (3 Replies)
Discussion started by: wisam74us
3 Replies

3. UNIX for Dummies Questions & Answers

search and replace with sed

Hi All I have a simple text file and I want to be able to replace any alpha character and comma combination with any other symbol of my choice here is the text file I want to replace: pear apple ban,ana grape ",g1234," te,st1 here is how it should look afterwards: pear... (4 Replies)
Discussion started by: greg_b
4 Replies

4. Shell Programming and Scripting

Sed - search and replace help.

Hi everyone, basically I am been cleaning data by using simple sed commands So what i have below has been working for me. sed 's/="//g' trade.csv > tradeb.csv sed 's/"//g' tradeb.csv > trade2.csv but now i don't want to remove all the quotes just the ones if i encounter this ... (1 Reply)
Discussion started by: raz0r
1 Replies

5. UNIX for Dummies Questions & Answers

How to use 'sed' to search and replace?

Hello - I have a very large file in which a certain numbers are repeated. I find that using vi to edit the entire file is useless. How should i use sed to find a replace such as this text: To replace: 145.D25.D558 With: 215.22.45.DW I tried this command: sed... (4 Replies)
Discussion started by: DallasT
4 Replies

6. Shell Programming and Scripting

sed search and replace in next line

Hello, I am hoping someone can provide some guidance on using context based search and replace to search for a pattern and then do a search and replace in the line that follows it. For example, I have a file that looks like this: <bold>bold text </italic> somecontent morecontent... (3 Replies)
Discussion started by: charissaf67
3 Replies

7. UNIX for Dummies Questions & Answers

Search/Replace with Sed

Is there a way to use the sed command to 1) search a specified pattern 2) in the line where that pattern is found, replace from character N to character N+4 with a new 4-character string. Thks in advance! (5 Replies)
Discussion started by: mvalonso
5 Replies

8. UNIX for Dummies Questions & Answers

sed search and replace

Hello Folks, Anyone know how I can replace this line in file.xml <oacore_nprocs oa_var="s_oacore_nprocs">8</oacore_nprocs> with this line <oacore_nprocs oa_var="s_oacore_nprocs">1</oacore_nprocs> using sed or awk ? Thanks for your time. Cheers, Dave (7 Replies)
Discussion started by: d__browne
7 Replies

9. Shell Programming and Scripting

Help, sed search&replace

Plzzzz, tell me some script about this... What does this mean ? sed '/^ */s///' sed '/^/s// /' and why it's diferent ??? sed '/ */s// /g' and sed 's/ */ /g'. It's all the same ??? Thanks you very much (2 Replies)
Discussion started by: mle
2 Replies

10. Shell Programming and Scripting

Search and replace sed or tr

Hi folks, I need to search and replace specific text in a file and replace it. I have a text file that does not have any newlines or carriage returns. All newlines have been removed. Here is what I need to do. Find the exact string DH (quotes included) and replace it with \nDH (basically... (6 Replies)
Discussion started by: bridgeje
6 Replies
Login or Register to Ask a Question