Login or Register to Ask a Question and Join Our Community


Shell Programming and Scripting

sed add match +N to next line

Login to Discuss or Reply to this Discussion in Our Community

 
Thread Tools Search this Thread
Top Forums Shell Programming and Scripting sed add match +N to next line
# 1  
Old 04-18-2020
sed add match +N to next line
Hi all,


I got some data in this format


Code:
A: a b c dA: e f g hA: i j k lA: m n o p


Could someone please help me out to get ti in this format ?


Code:
A: a b c d
A: e f g h
A: i j k l
A: m n o p


I'd like to match A: and move it in the line below


Thank you very much
Moderator's Comments:
Mod Comment
Please use code tags when posting data and code samples!
Last edited by vgersh99; 04-18-2020 at 04:48 PM.. Reason: code tags, please!
# 2  
Old 04-18-2020
Code:
echo 'A: a b c dA: e f g hA: i j k lA: m n o p' | sed 's/.:/\n&/g' | sed '/^$/d'

# 3  
Old 04-19-2020
With two capture groups and back-references one can insert a newline in the middle:
Code:
sed 's/\(.\)\(.:\)/\1\
\2/g'

Here I used the standard backslash-newline to represent the newline.
Login or Register to Ask a Question

Previous Thread | Next Thread

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

Grep or sed - printing line only with exact match

Hello. In my script, some command return : q | kernel-default | package | 3.19.0-1.1.g8a7d5f9 | x86_64 | openSUSE-13.2-Kernel_stable_standard | kernel-default | package | 3.19.0-1.1.g8a7d5f9 | i586 | openSUSE-13.2-Kernel_stable_standard | kernel-default ... (3 Replies)
Discussion started by: jcdole
3 Replies

2. Shell Programming and Scripting

Awk-sed help : to remove first and last line with pattern match:

awk , sed Experts, I want to remove first and last line after pattern match "vg" : I am trying : # sed '1d;$d' works fine , but where the last line is not having vg entry it is deleting one line of data. - So it should check for the pattern vg if present , then it should delete the line ,... (5 Replies)
Discussion started by: rveri
5 Replies

3. Shell Programming and Scripting

I need to know how to replace a line after a pattern match with an empty line using SED

Hi How Are you? I am doing fine! I need to go now? I will see you tomorrow! Basically I need to replace the entire line containing "doing" with a blank line: I need to the following output: Hi How Are you? I need to go now? I will see you tomorrow! Thanks in advance.... (1 Reply)
Discussion started by: sags007_99
1 Replies

4. Shell Programming and Scripting

SED - Match a line from a File

Hi, I want to match a line which exists in a file. I have written a test script similar to below - The content of the file file.txt would be like this - /usr/bin/1234.xcf /usr/bin/3456.xcf /usr/bin/7897.xcf /usr/bin/2345.xcf out=`sed -n '\/usr\/bin\/7897.xcf/p' file.txt 2>&1`... (3 Replies)
Discussion started by: angshuman_ag
3 Replies

5. Shell Programming and Scripting

SED, match a line block

Hello, I want to do a simple substitution using sed but I can't find a solution. Basically, from a Apache conf file, I would like to remove everything included between the <VirtualHost> and </VirtualHost> e.g SSLMutex file:/var/run/ssl_mutex <VirtualHost _default_:443> # A lot of config that... (5 Replies)
Discussion started by: RobertFord
5 Replies

6. Shell Programming and Scripting

Sed scripting, match text within line and replace

New to sed... Have a file foo.txt (below). Need to replace text on 2 lines, but can only feed sed the first few characters of each line (all lines are unique). So, in my example, I have put '$' in place of what I need to figure out how to feed the whole line. What I have thus far: sed -e... (6 Replies)
Discussion started by: boolean2222
6 Replies

7. Shell Programming and Scripting

SED - adding blank line after each Range Match

the following range matching works great but i wish to add a blank line after each range result set... which i've tried and researched to no avail MY INPUT DATA: CURRENT CODE I'M USING: sed -n '/*$/,/;/p' $INPUT_FILE RESULTS I'M GETTING: RESULT I looking to... (5 Replies)
Discussion started by: danmauer
5 Replies

8. Shell Programming and Scripting

sed: find match and delete the line above

I am searching a dhcpd.conf to find the hardware ethernet match, then once the match is found delete just the line above it. For example: testmachine.example { hardware ethernet 00:00:00:00:00:00; fixed address 192.168.1.100; next-server 192.168.1.101; filename "linux-install/pxelinux.0"; }... (3 Replies)
Discussion started by: cstovall
3 Replies

9. Shell Programming and Scripting

Multiple line match using sed

Please help! Input pattern, where ... could be any number of lines struct A { Blah1 Blah2 Blah3 ... } B; output pattern struct AB { Blah1 Blah2 Blah3 ... }; I need help in extracting everything between { and } if it would have been on a single line { \(.*\)} should have worked. (15 Replies)
Discussion started by: SiftinDotCom
15 Replies

10. Shell Programming and Scripting

sed - Replace Line which contains the Pattern match with a new line

I need to replace the line containing "STAGE_DB" with the line "STAGE_DB $DB # database that contains the table being loaded ($workingDB)" Here $DB is passed during the runtime. How can I do this? Thanks, Kousikan (2 Replies)
Discussion started by: kousikan
2 Replies
Login or Register to Ask a Question