Login or Register to Ask a Question and Join Our Community

Sponsored Content
Full Discussion: Count the delimeter from a file and delete the row if delimeter count doesnt match.
Top Forums Shell Programming and Scripting Count the delimeter from a file and delete the row if delimeter count doesnt match. Post 302449867 by agama on Tuesday 31st of August 2010 10:06:56 PM
Old 08-31-2010
Quote:
Originally Posted by Akumar1
... using below command I am able to take out unwated rows in another file , but I want those rows shoud get deleted from main file.

perl -ne
I'm assuming the perl command was truncated in your post, but that it is something like was suggested earlier. If so, then You'll need to move (mv) the output file onto the original file in order to 'replace' the original file with the changes.

For example:
Code:
perl -ne '@m=m/\(/g;print if $#m+1==104' infile > outfile  
mv infile infile.bak
mv outfile infile

You could move the outfile straight over the original file, but it is my experience that having a backup copy of the original file can be a life saver (especially while testing the command).
 

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

How to read and parse the content of csv file containing # as delimeter into fields using Bash?

#!/bin/bash i=0 cat 1.csv | while read fileline do echo "$fileline" IFS="#" flds=( $fileline ) nrofflds=${#flds} echo "noof fields$nrofflds" fld=0 while do echo "noof counter$fld" echo "$nrofflds" #fld1="${flds}" trying to store the content of line to fields but i... (4 Replies)
Discussion started by: barani75
4 Replies

2. Shell Programming and Scripting

how to display column value in a row with space as delimeter

Hi I need to write a small script to kill the process id of particular job in one shot , Example > ps PID TTY TIME COMMAND 16280 pts/70 0:00 sh 16278 pts/70 0:00 rlogind 16197 pts/70 0:00 ps 1234 pts/70 0:00 runflow 2341 pts/70 0:00 runflow 12673 pts/70 ... (6 Replies)
Discussion started by: mani_isha
6 Replies

3. Shell Programming and Scripting

count identical strings print last row and count

I have a sorted file like: Apple 3 Apple 5 Apple 8 Banana 2 Banana 3 Grape 31 Orange 7 Orange 13 I'd like to search $1 and if $1 is not the same as $1 in the previous row print that row and print the number of times $1 was found. so the output would look like: Apple 8 3 Banana... (2 Replies)
Discussion started by: dcfargo
2 Replies

4. Shell Programming and Scripting

append delimeter count for each line in text file

Hi guys, plz tell me how to achieve this how to delete the lines in a file using sed command (6 Replies)
Discussion started by: hari908
6 Replies

5. Shell Programming and Scripting

Needed value after the last delimeter in a file with varying number of delimited columns

Hi All, My file has the records as below: aaa\bbb\c\dd\ee\ff\gg zz\vv\ww pp\oo\ii\uu How can I get the value after the last delimeter. My o/p: gg ww uu Thanks in Advance, (5 Replies)
Discussion started by: HemaV
5 Replies

6. Shell Programming and Scripting

Replacing the delimeter with other delimeter

Hi Friends, I have a file1.txt as below 29123973Ç2012-0529Ç35310124Ç000000000004762Ç00010Ç20Ç390ÇÇÇÇF 29123974Ç20120529Ç35310125Ç0000000000046770Ç00010Ç20Ç390ÇÇÇÇF 29123975Ç20120529Ç35310126Ç0000000000046804Ç00010Ç20Ç390ÇÇÇÇF 29123976Ç20120529Ç35310127Ç0000000000044820Ç00010Ç20Ç390ÇÇÇÇF i have a file2.txt... (4 Replies)
Discussion started by: i150371485
4 Replies

7. Shell Programming and Scripting

Split line of file from delimeter.

I have a below file. INPUT FILE select * from customer MERGE INTO Archive; delete from Employee; using select * from customer; delete from employee; select * from Employee; insert into employee(1,1); OUTPUT FILE select * from customer MERGE INTO Archive delete from Employee using... (5 Replies)
Discussion started by: Mohin Jain
5 Replies

8. UNIX for Beginners Questions & Answers

Count the number of files to delete doesnt match

Good evening, need your help please Need to delete certain files before octobre 1 2016, so need to know how many files im going to delete, for instance ls -lrt file_20160*.lis!wc -l but using grep -c to another file called bplist which contains the list of all files backed up doesn match... (7 Replies)
Discussion started by: alexcol
7 Replies

9. Shell Programming and Scripting

How to change comma delimeter in the file to number?

I have a file H,20180624200732,VPAS,TRANS_HDR,20180724, VPAS.TRANS_HDR.20180724.01.txt, ,93, T,1, I have to change and instead first comma put ",1" like below H,20180624200732,VPAS,TRANS_HDR,20180724, VPAS.TRANS_HDR.20180724.01.txt,1,93, T,1, I made sed "2s/, /,1/"... (8 Replies)
Discussion started by: digioleg54
8 Replies

10. Shell Programming and Scripting

Large File masking incorrectly happening Ç delimeter issue

The OS version is Red Hat Enterprise Linux Server release 6.10 I have a script to mask some columns with **** in a data file which is delimeted with Ç , I am using awk for the masking , when I try to mask a small file the awk works fine and masks the required column , but when the file is... (6 Replies)
Discussion started by: LinuxUser8092
6 Replies

LEARN ABOUT SUSE

gc

GC(1)							      General Commands Manual							     GC(1)

NAME

       gc - count graph components

SYNOPSIS

       gc [ -necCaDUrs?  ] [ files ]

DESCRIPTION

       gc is a graph analogue to wc in that it prints to standard output the number of nodes, edges, connected components or clusters contained in
       the input files.  It also prints a total count for all graphs if more than one graph is given.

OPTIONS

       The following options are supported:

       -n     Count nodes.

       -e     Count edges.

       -c     Count connected components.

       -C     Count clusters. By definition, a cluster is a graph or subgraph whose name begins with "cluster".

       -a     Count all. Equivalent to -encC

       -r     Recursively analyze subgraphs.

       -s     Print no output. Only exit value is important.

       -D     Only analyze directed graphs.

       -U     Only analyze undirected graphs.

       -?     Print usage information.

       By default, gc returns the number of nodes and edges.

OPERANDS

       The following operand is supported:

       files   Names of files containing 1 or more graphs in dot format.  If no files operand is specified, the standard input will be used.

EXIT STATUS

       The following exit values are returned:

       0   Successful completion.

       1   The -U or -E option was used, and a graph of the wrong type was encountered.

AUTHOR

       Emden R. Gansner <erg@research.att.com>

SEE ALSO

       wc(1), acyclic(1), gvpr(1), gvcolor(1), ccomps(1), sccmap(1), tred(1), libgraph(3)

								   21 March 2001							     GC(1)
All times are GMT -4. The time now is 09:40 PM.
Unix & Linux Forums Content Copyright 1993-2022. All Rights Reserved.
Privacy Policy