Sponsored Content
Top Forums Shell Programming and Scripting Replace specific field on specific line sed or awk Post 302576822 by crownedzero on Saturday 26th of November 2011 04:20:43 PM
Old 11-26-2011
Replace specific field on specific line sed or awk

I'm trying to update a text file via sed/awk, after a lot of searching I still can't find a code snippet that I can get to work.

Brief overview:
I have user input a line to a variable, I then find a specific value in this line 10th field in this case. After asking for new input and doing some arithmetic I'd like to replace the 10th field on the 4th line(assuming user chose 4) in the input file.

Any ideas? Thanks in advance
 

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

using sed to replace a specific string on a specific line number using variables

using sed to replace a specific string on a specific line number using variables this is where i am at grep -v WARNING output | grep -v spawn | grep -v Passphrase | grep -v Authentication | grep -v '/sbin/tfadmin netguard -C'| grep -v 'NETWORK>' >> output.clean grep -n Destination... (2 Replies)
Discussion started by: todd.cutting
2 Replies

2. Shell Programming and Scripting

Using sed to replace specific character and specific position

I am trying to use sed to replace specific characters at a specific position in the file with a different value... can this be done? Example: File: A0199999123 A0199999124 A0199999125 Need to replace 99999 in positions 3-7 with 88888. Any help is appreciated. (5 Replies)
Discussion started by: programmer22
5 Replies

3. Shell Programming and Scripting

awk how to replace specific field with new value

I need to replace specific field (x) in a table with new value (y): Input: 1 2 3 4 5 x 6 7 8 9 0 0 Output: 1 2 3 4 5 y 6 7 8 9 0 0 I have no idea how to do this. (10 Replies)
Discussion started by: setepo
10 Replies

4. Shell Programming and Scripting

Using awk to read a specific line and a specific field on that line.

Say the input was as follows: Brat 20 x 1000 32rf Pour 15 p 1621 05pr Dart 10 z 1111 22xx My program prompts for an input, what I want is to use the input to locate a specific field. Like if I type in, "Pou" then it would return "Pour" and just "Pour" I currently have this line but it is... (6 Replies)
Discussion started by: Bungkai
6 Replies

5. Shell Programming and Scripting

awk search/replace specific field, using variables for regexp & subsitution then overwrite file

Hello, I'm trying the solve the following problem. I have a file which I intend to use as a csv called master.csv The columns are separated by commas. I want to change the text on a specific row in either column 3,4,5 or 6 from xxx to yyy depending upon if column 1 matches a specified pattern.... (3 Replies)
Discussion started by: cyphex
3 Replies

6. Shell Programming and Scripting

sed to replace specific positions on line with file contents

Hi, I am trying to use an awk command to replace specific character positions on a line beginning with 80 with contents of another file. The line beginning with 80 in file1 is as follows: I want to replace the 000000000178800 (positions 34 - 49) on this file with the contents of... (2 Replies)
Discussion started by: nwalsh88
2 Replies

7. Shell Programming and Scripting

sed command to replace a line at a specific line number with some other line

my requirement is, consider a file output cat output blah sdjfhjkd jsdfhjksdh sdfs 23423 sdfsdf sdf"sdfsdf"sdfsdf"""""dsf hellow there this doesnt look good et cetc etc etcetera i want to replace a line of line number 4 ("this doesnt look good") with some other line ... (3 Replies)
Discussion started by: vivek d r
3 Replies

8. Shell Programming and Scripting

How to print with awk specific field different from specific character?

Hello, i need help with awk. I have this file: cat number DirB port 67 er_enc_out 0 er_bad_os 0 DirB port 71 er_enc_out 56 er_bad_os 0 DirB port 74 er_enc_out 0 er_bad_os 0 DirB port 75 ... (4 Replies)
Discussion started by: elilmal
4 Replies

9. Shell Programming and Scripting

awk to replace a specific field in certain condition

Hi, I have a file like below PRUM,67016800 ,CC ,C1,67016800 , ,Y,Y,2 ,CK,BX,FOX ,00000001,EA,00000001,20141120 00:00:00, ,N,Y,Y,CK ABCDEF... (7 Replies)
Discussion started by: mady135
7 Replies

10. UNIX for Dummies Questions & Answers

Using awk to multiple and replace in a specific line

Hi Folks, I have the file in which I need to multiply the content of a line and replace the initial content of that line with the obtained answer. For example if this is my input file file1.txt 2.259314750 xxxxxx 1.962774350 xxxxxx 2.916817290 xxxxxx 1.355026900 ... (4 Replies)
Discussion started by: Madiouma Ndiaye
4 Replies
NWBPSET(1)							      nwbpset								NWBPSET(1)

NAME
nwbpset - Create a bindery property or set its value SYNOPSIS
nwbpset [ -h ] [ -S server ] [ -U user name ] [ -P password | -n ] [ -C ] DESCRIPTION
nwbpset Reads a property specification from the standard input and creates and sets the corresponding property. The format is determined by the output of 'nwbpvalues -c'. nwbpset will hopefully become an important part of the bindery management suite of ncpfs, together with 'nwbpvalues -c'. See util/nwbpsecurity for an example. As another example, look at the following command line: nwbpvalues -t 1 -o supervisor -p user_defaults -c | sed '2s/.*/ME/'| sed '3s/.*/LOGIN_CONTROL/'| nwbpset With this command, the property user_defaults of the user object 'supervisor' is copied into the property login_control of the user object 'me'. nwbpvalues -t 1 -o me -p login_control -c | sed '9s/.*/ff/'| nwbpset This command disables the user object me. Feel free to contribute other examples! nwbpset looks up the file $HOME/.nwclient to find a file server, a user name and possibly a password. See nwclient(5) for more information. Please note that the access permissions of $HOME/.nwclient MUST be 600 for security reasons. OPTIONS
-h -h is used to print out a short help text. -S server server is the name of the server you want to use. -U user user is the user name to use for login. -P password password is the password to use for login. If neither -n nor -P are given, and the user has no open connection to the server, nwbpset prompts for a password. -n -n should be given if no password is required for the login. -C By default, passwords are converted to uppercase before they are sent to the server, because most servers require this. You can turn off this conversion by -C. AUTHORS
nwbpset was written by Volker Lendecke. See the Changes file of ncpfs for other contributors. nwbpset 8/7/1996 NWBPSET(1)
All times are GMT -4. The time now is 07:44 AM.
Unix & Linux Forums Content Copyright 1993-2022. All Rights Reserved.
Privacy Policy