Visit Our UNIX and Linux User Community


Replacing specific lines with another lines


 
Thread Tools Search this Thread
Top Forums Shell Programming and Scripting Replacing specific lines with another lines
# 1  
Old 05-19-2012
Replacing specific lines with another lines

Hi,

I have a file with many lines,
then i have following list of lines(line number 5,12,19,5,and 28) i need to replace these lines of a file with another lines as shown below these text
contains special charecter like= (/:;){}[]

Code:
Line_number  Text to replace with
5                  abc xyg ;, : def
12                 replace with this ;, : def
19                 test abc io ; /kjlkj;
5                   thisis sis nok ioijlk; ';
28                 abc xyg ;, : def

Can some one give me a quick solution.

Moderator's Comments:
Mod Comment edit by bakunin: please use [code]...[/code] tags when posting code or output. Thank you.

Last edited by bakunin; 05-19-2012 at 06:45 AM..
# 2  
Old 05-20-2012
Try:
Code:
awk -F'     *' 'NR==FNR{R[$1]=$2; next}FNR in R{$0=R[FNR]}1' list file

I used multiple spaces as a separator, since that was in your sample, you can also use a tab character for example...

Previous Thread | Next Thread
Test Your Knowledge in Computers #611
Difficulty: Easy
You can enter the Python interpreter by simply typing python on the command line (assume Python is installed).
True or False?

10 More Discussions You Might Find Interesting

1. UNIX for Beginners Questions & Answers

How to print lines from a files with specific start and end patterns and pick only the last lines?

Hi, I need to print lines which are matching with start pattern "SELECT" and END PATTERN ";" and only select the last "select" statement including the ";" . I have attached sample input file and the desired input should be as: INPUT FORMAT: SELECT ABCD, DEFGH, DFGHJ, JKLMN, AXCVB,... (5 Replies)
Discussion started by: nani2019
5 Replies

2. Shell Programming and Scripting

ksh sed - Extract specific lines with mulitple occurance of interesting lines

Data file example I look for primary and * to isolate the interesting slot number. slot=`sed '/^primary$/,/\*/!d' filename | tail -1 | sed s'/*//' | awk '{print $1" "$2}'` Now I want to get the Touch line for only the associate slot number, in this case, because the asterisk... (2 Replies)
Discussion started by: popeye
2 Replies

3. Shell Programming and Scripting

Summing over specific lines and replacing the lines with the sum

Hi friends, This is sed & awk type question. It is slightly different from my previous question. I have a text file which has numbers spread all over the file. I want to sum the series of numbers (but no more than 10 numbers in series) whenever i find it and produce an output file with the... (4 Replies)
Discussion started by: kaaliakahn
4 Replies

4. UNIX for Dummies Questions & Answers

Extract lines with specific words with addition 2 lines before and after

Dear all, Greetings. I would like to ask for your help to extract lines with specific words in addition 2 lines before and after these lines by using awk or sed. For example, the input file is: 1 ak1 abc1.0 1 ak2 abc1.0 1 ak3 abc1.0 1 ak4 abc1.0 1 ak5 abc1.1 1 ak6 abc1.1 1 ak7... (7 Replies)
Discussion started by: Amanda Low
7 Replies

5. Shell Programming and Scripting

Summing over specific lines and replacing the lines with the sum using sed, awk

Hi friends, This is sed & awk type question. I have a text file which has numbers spread all over the file. I want to sum the series of numbers whenever i find it and produce an output file with the sum. For example ###start of input text file #### abc def ghi 1 2 3 4 kjld random... (3 Replies)
Discussion started by: kaaliakahn
3 Replies

6. UNIX for Dummies Questions & Answers

Finding lines with a regular expression, replacing them with blank lines

So the tag for this forum says all newbies welcome... All I want to do is go through my file and find lines which contain a given string of characters then replace these with a blank line. I really tried to find a simple command to do this but failed. Here's what I did come up with though: ... (2 Replies)
Discussion started by: Golpette
2 Replies

7. Shell Programming and Scripting

Help in replacing two blank lines with two lines of diff data

Hi.. I'm facing a trouble in replacing two blank lines in a file using shell script... I used sed to search a line and insert two blank lines after the searchd line using the following sed command. sed "/data/{G;G;}/" filename . In the file, after data tag, two lines got inserted blank lines..... (4 Replies)
Discussion started by: arjun_arippa
4 Replies

8. Shell Programming and Scripting

Printing all lines before a specific string and a custom message 2 lines after

Hello all, I need to print all the lines before a specific string and print a custom message 2 lines after that. So far I have managed to print everything up the string, inclusively, but I can't figure out how to print the 2 lines after that and the custom message. My code thus far is:... (4 Replies)
Discussion started by: SEinT
4 Replies

9. Shell Programming and Scripting

replacing new lines in all files of a directory containing old lines

Hi all, I am trying to replace a few lines with other lines of all files in a directory which contain those few lines. say - there are some 10 files in a dir having the same 4 lines as 1.txt at the starting 1.txt line 1 line 2 line 3 line 4 ....................................... (1 Reply)
Discussion started by: rooster005
1 Replies

10. Shell Programming and Scripting

replacing specific lines in a file

Hi there I have a file which has the lines # Serial number for hostid EXP_SERIAL_="" These lines could be anywhere in the file as far as line numbers go, I would like replace these two lines with # Serial number for hostid $var1 EXP_SERIAL_$var1="$var2" Is there a quick and simple... (6 Replies)
Discussion started by: hcclnoodles
6 Replies

Featured Tech Videos