Login or Register to Ask a Question and Join Our Community


Shell Programming and Scripting

Replace 2nd Column

Login to Discuss or Reply to this Discussion in Our Community

 
Thread Tools Search this Thread
Top Forums Shell Programming and Scripting Replace 2nd Column
# 1  
Old 01-07-2013
Replace 2nd Column
Dear All,

I have data like this,

input.txt

Code:
A    0B 1828
C  100D 1666,C  200D 1727,C  300D 1783,
A    0B 1786
C  200D 1727,C  100D 1666,C  300D 1783,
C  400D 1812,C  600D 1869,C  500D 1841,
C  400D 1812,C  500D 1841,C  600D 1869,
A    0B 1349
C  200D 1727,C  300D 1783,C  100D 1666,
C  400D 1812,C  600D 1869,C  500D 1841,
C  400D 1812,C  500D 1841,C  600D 1869,
A    0B 1129
C  200D 1727,C  300D 1783,C  600D 1869,
C  400D 1812,C  100D 1666,C  500D 1841,
A    0B 1702
C  100D 1666,C  300D 1783,C  600D 1869,
C  400D 1812,C  500D 1841,C  200D 1727,
A    0B 1897
C  200D 1727,C  300D 1783,C  100D 1666,
.
.
.

expected result
result.txt
Code:
A    0B 1500
C  100D 1666,C  200D 1727,C  300D 1783,
A    0B 1500
C  200D 1727,C  100D 1666,C  300D 1783,
 C  400D 1812,C  600D 1869,C  500D 1841,
C  400D 1812,C  500D 1841,C  600D 1869,
A    0B 1500
C  200D 1727,C  300D 1783,C  100D 1666,
 C  400D 1812,C  600D 1869,C  500D 1841,
C  400D 1812,C  500D 1841,C  600D 1869,
A    0B 1500
C  200D 1727,C  300D 1783,C  600D 1869,
 C  400D 1812,C  100D 1666,C  500D 1841,
A    0B 1500
C  100D 1666,C  300D 1783,C  600D 1869,
 C  400D 1812,C  500D 1841,C  200D 1727,
A    0B 1500
C  200D 1727,C  300D 1783,C  100D 1666,
.
.
.

Thanks for Advance,

Attila
# 2  
Old 01-07-2013
Code:
# cat file
A    0B 1828
C  100D 1666,C  200D 1727,C  300D 1783,
A    0B 1786
C  200D 1727,C  100D 1666,C  300D 1783,
C  400D 1812,C  600D 1869,C  500D 1841,
C  400D 1812,C  500D 1841,C  600D 1869,
A    0B 1349
C  200D 1727,C  300D 1783,C  100D 1666,
C  400D 1812,C  600D 1869,C  500D 1841,
C  400D 1812,C  500D 1841,C  600D 1869,
A    0B 1129
C  200D 1727,C  300D 1783,C  600D 1869,
C  400D 1812,C  100D 1666,C  500D 1841,
A    0B 1702
C  100D 1666,C  300D 1783,C  600D 1869,
C  400D 1812,C  500D 1841,C  200D 1727,
A    0B 1897
C  200D 1727,C  300D 1783,C  100D 1666,

Code:
# awk '/^A/{$3=1500}1' file
A 0B 1500
C  100D 1666,C  200D 1727,C  300D 1783,
A 0B 1500
C  200D 1727,C  100D 1666,C  300D 1783,
C  400D 1812,C  600D 1869,C  500D 1841,
C  400D 1812,C  500D 1841,C  600D 1869,
A 0B 1500
C  200D 1727,C  300D 1783,C  100D 1666,
C  400D 1812,C  600D 1869,C  500D 1841,
C  400D 1812,C  500D 1841,C  600D 1869,
A 0B 1500
C  200D 1727,C  300D 1783,C  600D 1869,
C  400D 1812,C  100D 1666,C  500D 1841,
A 0B 1500
C  100D 1666,C  300D 1783,C  600D 1869,
C  400D 1812,C  500D 1841,C  200D 1727,
A 0B 1500
C  200D 1727,C  300D 1783,C  100D 1666,

This User Gave Thanks to sathyaonnuix For This Post:
attila
Login or Register to Ask a Question

Previous Thread | Next Thread

10 More Discussions You Might Find Interesting

1. UNIX for Beginners Questions & Answers

awk script to extract a column, replace one of the header and replace year(from ddmmyy to yyyy)

I have a csv which has lot of columns . I was looking for an awk script which would extract a column twice. for the first occurance the header and data needs to be intact but for the second occurance i want to replace the header name since it a duplicate and extract year value which is in ddmmyy... (10 Replies)
Discussion started by: Kunalcurious
10 Replies

2. Shell Programming and Scripting

Transpose from 2nd column till the last column

Hi I have 5 columns like this a b c d e f g h i j k l m n o From 2nd column till the 5th column of every record, I would like to transpose them as rows, so my output file contains only one row a b c d e f g h i j (9 Replies)
Discussion started by: jacobs.smith
9 Replies

3. Shell Programming and Scripting

Replace 2nd column in file

I have following entries file abc.txt abc83.out.remote TRUE abc84.out.remote TRUE abc85.out.remote TRUE abc86.out.remote TRUE Please help me, how do i toggle the entries listed in 2nd column based on the search patterns (abcxx) abcxx, i can get... (14 Replies)
Discussion started by: sdosanjh
14 Replies

4. Shell Programming and Scripting

Calculate 2nd Column Based on 1st Column

Dear All, I have input file like this. input.txt CE2_12-15 3950.00 589221.0 9849709.0 768.0 CE2_12_2012 CE2_12-15 3949.00 589199.0 9849721.0 768.0 CE2_12_2012 CE2_12-15 3948.00 589178.0 9849734.0 768.0 CE2_12_2012 CE2_12-52 1157.00 ... (3 Replies)
Discussion started by: attila
3 Replies

5. Shell Programming and Scripting

Replace column that matches specific pattern, with column data from another file

Can anyone please help with this? I have 2 files as given below. If 2nd column of file1 has pattern foo1@a, find the matching 1st column in file2 & replace 2nd column of file1 with file2's value. file1 abc_1 foo1@a .... abc_1 soo2@a ... def_2 soo2@a .... def_2 foo1@a ........ (7 Replies)
Discussion started by: prashali
7 Replies

6. Shell Programming and Scripting

Replace 2nd column for each line in a csv file with fixed string+random number

Hi experts, My csv file looks like this U;cake;michael;temp;;;; U;bread;john;temp;;;; U;cocktails;sarah;temp;;;; I'd like to change the value fo 2nd column to cf+random number , which will look maybe something like this U;cf20187;michael;temp;;;; U;cf8926;john;temp;;;;... (7 Replies)
Discussion started by: tententen
7 Replies

7. Shell Programming and Scripting

Replace 2nd column of CSV file with numbers on line

I have a csv file with occasional multiple entries in the second column. 111111,104,07-24-2011,3.15,N, 222222,020 140,07-24-2011,10.00,N,I want the result 111111,104,07-24-2011,3.15,N, 222222,020,07-24-2011,10.00,N, 222222,140,07-24-2011,10.00,N, I know I can get the output of the second... (5 Replies)
Discussion started by: ffdstanley
5 Replies

8. Shell Programming and Scripting

comparing column of two different files and print the column from in order of 2nd file

Hi friends, My file is like: Second file is : I need to print the rows present in file one, but in order present in second file....I used while read gh;do awk ' $1=="' $gh'" {print >> FILENAME"output"} ' cat listoffirstfile done < secondfile but the output I am... (14 Replies)
Discussion started by: CAch
14 Replies

9. Shell Programming and Scripting

Match column 3 in file1 to column 1 in file 2 and replace with column 2 from file2

Match column 3 in file1 to column 1 in file 2 and replace with column 2 from file2 file 1 sample SNDK 80004C101 AT XLNX 983919101 BB NETL 64118B100 BS AMD 007903107 CC KLAC 482480100 DC TER 880770102 KATS ATHR 04743P108 KATS... (7 Replies)
Discussion started by: rydz00
7 Replies

10. Shell Programming and Scripting

Parse 1 column and add 2nd column

I'm racking my brain on this one! :( I have a list like this: Paul 20 Paul 25 Paul 30 Frank 10 Julie 15 Julie 13 etc, etc... I've been trying to figure out a way to have the output display the name in the first column ONCE and add the numbers in the second column and display that... (2 Replies)
Discussion started by: sdlennon
2 Replies
Login or Register to Ask a Question