Login or Register to Ask a Question and Join Our Community


Shell Programming and Scripting

awk to insert duplicated lines

Login to Discuss or Reply to this Discussion in Our Community

 
Thread Tools Search this Thread
Top Forums Shell Programming and Scripting awk to insert duplicated lines
# 1  
Old 01-31-2013
awk to insert duplicated lines
Dear All,
Suppose I have a file:

Code:
1 1 1 1
2 2 2 2
3 3 3 3

I want to insert new line under each old line so that the file would become:

Code:
1 1 1 1
1 1 1 1
2 2 2 2
2 2 2 2
3 3 3 3
3 3 3 3

How can this be accomplished using awk (or sed)?
# 2  
Old 01-31-2013
Code:
awk '{ print; print }' inputfile > outputfile

This User Gave Thanks to Corona688 For This Post:
littlewenwen
# 3  
Old 01-31-2013
Code:
awk '1;1' myFile

These 2 Users Gave Thanks to vgersh99 For This Post:
Corona688 littlewenwen
# 4  
Old 01-31-2013
Thank you very much.
# 5  
Old 01-31-2013
try also:
Code:
sed 'p' infile

# 6  
Old 01-31-2013
Code:
paste -d"\n" filename filename

Login or Register to Ask a Question

Previous Thread | Next Thread

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

Deleting lines containing duplicated strings

Dear all, I always appreciate your help. I would like to delete lines containing duplicated strings in the second column. test.txt 658 invert_d2e_q_reg_0_/Qalu_ecl_zlow_e 0.825692 659 invert_d2e_q_reg_0_/Qalu_byp_rd_data_e 0.825692 660 invert_d2e_q_reg_0_/Qalu_byp_rd_data_e 0.825692... (1 Reply)
Discussion started by: jypark22
1 Replies

2. Shell Programming and Scripting

How to remove duplicated lines?

Hi, if i have a file like this: Query=1 a a b c c c d Query=2 b b b c c e . . . (7 Replies)
Discussion started by: the_simpsons
7 Replies

3. UNIX for Dummies Questions & Answers

Removing duplicated lines??

Hi Guys.. I have a problem for some reason my database has copied everything 4 times. My Database looks like this: >BAC233456 rhjieaheiohjteo tjtjrj6jkk6k6 j54ju54jh54jh >ANI124365 afrhtjykulilil htrjykuk rtkjryky ukrykyrk >BAC233456 rhjieaheiohjteo tjtjrj6jkk6k6 j54ju54jh54jh... (6 Replies)
Discussion started by: Iifa
6 Replies

4. Shell Programming and Scripting

awk to count duplicated lines

We have an input file as follows: 2010-09-15-12.41.15 2010-09-15-12.41.15 2010-09-15-12.41.24 2010-09-15-12.41.24 2010-09-15-12.41.24 2010-09-15-12.41.24 2010-09-15-12.41.25 2010-09-15-12.41.26 2010-09-15-12.41.26 2010-09-15-12.41.26 2010-09-15-12.41.26 2010-09-15-12.41.26... (3 Replies)
Discussion started by: ux4me
3 Replies

5. Shell Programming and Scripting

sed/awk to insert multiple lines before pattern

I'm attempting to insert multiple lines before a line matching a given search pattern. These lines are generated in a separate function and can either be piped in as stdout or read from a temporary file. I've been able to insert the lines from a file after the pattern using: sed -i '/pattern/... (2 Replies)
Discussion started by: zksailor534
2 Replies

6. Shell Programming and Scripting

awk/grep copy and paste and insert in between lines.

Hi all, I'm a unix newb andI'm trying to write a script that can copy some text paste it in a certian place and then add a number. It's not really clear but I'll show an example. what the file looks like right now: Linux 2.6.24-24-generic (abc) 07/15/09 23:25:01 CPU ... (6 Replies)
Discussion started by: the1hand3r
6 Replies

7. Shell Programming and Scripting

sed/awk script selective insert between lines

Hi I have a file in the foll. format *RECORD* *FIELD NO* ....... ....... *FIELD TX* Data *FIELD AV* Data *FIELD RF* *RECORD* *FIELD NO* ....... ....... *FIELD TX* Data *FIELD RF* (4 Replies)
Discussion started by: dunstonrocks
4 Replies

8. UNIX for Dummies Questions & Answers

duplicated lines not recognized by sort and uniq

Hello all, I've got a strange behaviour of sort and uniq commands: they do not recognise apparently duplicated lines in a file (already sorted). The lines are identical by eye, but they must differ in smth, because when they are put in two files, those have slightly different size. What can make... (8 Replies)
Discussion started by: roussine
8 Replies

9. Shell Programming and Scripting

Help removing lines with duplicated columns

Hi Guys... Please Could you help me with the following ? aaaa bbbb cccc sdsd aaaa bbbb cccc qwer as you can see, the 2 lines are matched in three fields... how can I delete this pupicate ? I mean to delete the second one if 3 fields were duplicated ? Thanks (14 Replies)
Discussion started by: yahyaaa
14 Replies

10. Shell Programming and Scripting

remove duplicated lines without sort

Hi Just wondering whether or not I can remove duplicated lines without sort For example, I use the command who, which shows users who are logging on. In some cases, it shows duplicated lines of users who are logging on more than one terminal. Normally, I would do who | cut -d" " -f1 |... (6 Replies)
Discussion started by: lalelle
6 Replies
Login or Register to Ask a Question