Sponsored Content
Top Forums Shell Programming and Scripting How to remove mth and nth column from a file? Post 302840595 by Jotne on Tuesday 6th of August 2013 04:04:08 AM
Old 08-06-2013
aliester is correct.
This can be cleaned by
Code:
awk '{$a=$b="";gsub(FS "+",FS)} 1' a=$m b=$n df_test_removing_column

This User Gave Thanks to Jotne For This Post:
 

9 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

How to Print from nth field to mth fields using awk

Hi, Is there any short method to print from a particular field till another filed using awk? Example File: File1 ==== 1|2|acv|vbc|......|100|342 2|3|afg|nhj|.......|100|346 Expected output: File2 ==== acv|vbc|.....|100 afg|nhj|.....|100 (8 Replies)
Discussion started by: machomaddy
8 Replies

2. Shell Programming and Scripting

Using AWK to find top Nth values in Nth column

I have an awk script to find the maximum value of the 2nd column of a 2 column datafile, but I need to find the top 5 maximum values of the 2nd column. Here is the script that works for the maximum value. awk 'BEGIN { subjectmax=$1 ; max=0} $2 >= max {subjectmax=$1 ; max=$2} END {print... (3 Replies)
Discussion started by: ncwxpanther
3 Replies

3. Shell Programming and Scripting

Calculating average for every Nth line in the Nth column

Is there an awk script that can easily perform the following operation? I have a data file that is in the format of 1944-12,5.6 1945-01,9.8 1945-02,6.7 1945-03,9.3 1945-04,5.9 1945-05,0.7 1945-06,0.0 1945-07,0.0 1945-08,0.0 1945-09,0.0 1945-10,0.2 1945-11,10.5 1945-12,22.3... (3 Replies)
Discussion started by: ncwxpanther
3 Replies

4. Shell Programming and Scripting

Get the nth word of mth line in a file

Hi.. May be a simple question but I just began to write unix scripts a week ago, for sorting some huge amount of experiment data, so I got no common sense about unix scripting and really need your helps... The situation is, I want to read the nth word of mth line in a file, and then store it... (3 Replies)
Discussion started by: freezelty
3 Replies

5. Shell Programming and Scripting

Need help with awk statement to break nth column in csv file into 3 separate columns

Hello Members, I have a csv file in the format below. Need help with awk statement to break nth column into 3 separate columns and export the changes to new file. input file --> file.csv cat file.csv|less "product/fruit/mango","location/asia/india","type/alphonso" need output in... (2 Replies)
Discussion started by: awk-admirer
2 Replies

6. Shell Programming and Scripting

Break Column nth in a CSV file into two

Hi Guys, Need help with logic to break Column nth in a CSV file into two for e.g Refer below the second column as the nth column "abcd","","type/beta-version" need output in a following format "abcd","/place/asia/india/mumbai","/product/sw/tomcat","type/beta-version" ... (5 Replies)
Discussion started by: awk-admirer
5 Replies

7. Shell Programming and Scripting

Remove the values from a certain column without deleting the Column name in a .CSV file

(14 Replies)
Discussion started by: dhruuv369
14 Replies

8. Shell Programming and Scripting

How to search and replace string from nth column from a file?

I wanted to search for a string and replace it with other string from nth column of a file which is comma seperated which I am able to do with below # For Comma seperated file without quotes awk 'BEGIN{OFS=FS=","}$"'"$ColumnNo"'"=="'"$PPK"'"{$"'"$ColumnNo"'"="'"$NPK"'"}{print}' ${FileName} ... (5 Replies)
Discussion started by: Amit Joshi
5 Replies

9. Shell Programming and Scripting

Taking nth column and putting its value in n+1 column using awk

Hello Members, Need your expert opinion how to tackle below. I have an input file that looks like below: USS|AWCC|AFGAW|93|70 USSAA|Roshan TDCA|AFGTD|93|72,79 ALB|Vodafone|ALBVF|355|69 ALGEE|Wataniya (Nedjma)|DZAWT|213|50,550 I like output file in below format: ... (7 Replies)
Discussion started by: umarsatti
7 Replies
UPDATE-METAINIT(1)					User Contributed Perl Documentation					UPDATE-METAINIT(1)

NAME
update-metainit - Generates init scripts SYNOPSIS
update-metainit [--remove initname [--purge] ] DESCRIPTION
Metainit solves the problem of writing good init scripts. Instead of manually creating these important files, they are derived from a declaritive description in the metainit files in /etc/metainit. These files can be shipped with packages or created by the local adminis- trator. If update-metainit called without argument, it will regenerate init scripts for all the files in /etc/metainit. The generated files contain a large warning in form of a comment that they will be overridden. Modifications are preferably done in the files in /etc/metainit and made effective by running update-metainit. If needed, the administrator can prevent modified init files by removing the warning comment. OPTIONS
--remove initname This command will remove any generated and non-modified scripts that were created by the metainit file with the name initname. --purge Only usable with --remove. Will remove the generated files even if modified. SEE ALSO
dh_metainit(1) AUTHOR
Joachim Breitner <nomeata@debian.org> perl v5.8.8 2007-07-30 UPDATE-METAINIT(1)
All times are GMT -4. The time now is 09:05 PM.
Unix & Linux Forums Content Copyright 1993-2022. All Rights Reserved.
Privacy Policy