This is my Scenario:
I wanted to check if a particular name or pattern is present in a file based of that rest of the program should proceed.
I want to print '0' if no matching found.
The above command is giving an output where a tab space is present due to which I am not able to do a condition.
Code:
if [[ $v_File_Count == 0]]; then
xyz...
fi
Tried to remove the "<Tab Space>" as below but no use
Code:
v_File_Count=`grep -i "$v_Name_Pattern" $File_Path/Master_File_List.txt | wc -l | tr " " ""`
## Below code is not print any value if there is no record -- I want '0' if no record
v_File_Count=`grep -i "$v_Name_Pattern" $File_Path/Master_File_List.txt | awk '{print NR}'`
v_File_Count=`grep -i "$v_Name_Pattern" $File_Path/Master_File_List.txt | sed -n '$='`
Sample Input:
File = Master_File_List.txt
Code:
abcd.txt
xyz.txt
lmno.txt
Command:
Code:
v_File_Count=`grep -i "$v_Name_Pattern" $File_Path/Master_File_List.txt | sed -n '$='
** Anycode
Expected Output: ( If there are no matching pattern, 0 should be returned i.e., v_File_Count should have value '0')
Do share your ideas and suggestion
Last edited by Scrutinizer; 12-30-2015 at 09:07 AM..
Reason: quote tags -> code tags
Hi,
I need a command that would let ls show number of lines in each file rather than file size in KBs.
I tried using wc -l as a source of input to ls but I found a problem cutting the file name since wc generates a space delimited list.
Any suggestions?
Thanks.
GmMike. (1 Reply)
Hi,
I have a text file contaning around 150 lines, each line is a hostname.
I want to read 4 lines/hostnames and save those 4 lines to a seperate file.
say the big file is /files/bigfile and I want to have a lot of files in /files named
/files/smallfile.1 , /files/smallfile.2 and so on...
... (1 Reply)
Hi
How do I find number of lines of a file? Below commands returned 0. But, the file is showing 20 lines when I open it in editplus tool. Each line contains 601 columns. Please advise
I want to incorporate some word at the begining of each of those 20 lines
-Somesh
$ wc -l <... (2 Replies)
Hi,
I am using below command to display the number of line, but its returning no of lines along with file name.
But i want only no of line in the variable p.
Please help me on this?
p=`wc -l "text file"`
echo "$p" (6 Replies)
Dear Members,
I want to count the number of lines in a file; for that i am using the following command :
FILE_LINE_COUNT=`wc -l $INT_IN/$RAW_FILE_NAME`
if i do an echo on FILE_LINE_COUNT then i get
241 /home/data/testfile.txt
I don't want the directory path to be displayed. Variable... (1 Reply)
I have a file with a list of config files numbered on the lefthand side 1-300. I need to have bash read each lines number and assign it to a variable so it can be chosen by the user called by the script later.
Ex. 1 some data
2 something else
3 more stuff
which number do you... (1 Reply)
Hiii
I am very new to shell scripting.This is my data file
a.txt:
56
45.78
1000
11.23
76.89
45
34.56
23
3400
100
..........
Now i am must use shell scripting to read n number of lines from the file & from ts n number of lines i need to find greatest number among them & so on for... (44 Replies)
a. How do I display the content of the file containing what Ive merged using a filter which would display only the lines of the file which don't contain number, for example 3 or 6. (3 Replies)
How can I find the number of lines in a file excluding lines
starting with #? (4 Replies)
Discussion started by: kristinu
4 Replies
LEARN ABOUT CENTOS
ptargrep
PTARGREP(1) User Contributed Perl Documentation PTARGREP(1)NAME
ptargrep - Apply pattern matching to the contents of files in a tar archive
SYNOPSIS
ptargrep [options] <pattern> <tar file> ...
Options:
--basename|-b ignore directory paths from archive
--ignore-case|-i do case-insensitive pattern matching
--list-only|-l list matching filenames rather than extracting matches
--verbose|-v write debugging message to STDERR
--help|-? detailed help message
DESCRIPTION
This utility allows you to apply pattern matching to the contents of files contained in a tar archive. You might use this to identify all
files in an archive which contain lines matching the specified pattern and either print out the pathnames or extract the files.
The pattern will be used as a Perl regular expression (as opposed to a simple grep regex).
Multiple tar archive filenames can be specified - they will each be processed in turn.
OPTIONS --basename (alias -b)
When matching files are extracted, ignore the directory path from the archive and write to the current directory using the basename of
the file from the archive. Beware: if two matching files in the archive have the same basename, the second file extracted will
overwrite the first.
--ignore-case (alias -i)
Make pattern matching case-insensitive.
--list-only (alias -l)
Print the pathname of each matching file from the archive to STDOUT. Without this option, the default behaviour is to extract each
matching file.
--verbose (alias -v)
Log debugging info to STDERR.
--help (alias -?)
Display this documentation.
COPYRIGHT
Copyright 2010 Grant McLean <grantm@cpan.org>
This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself.
perl v5.16.3 2013-05-12 PTARGREP(1)
12-30-2015
Number of Lines in a file
