Grepping file and returning passed variable if the value does not exist in file at all. Post: 302517297

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

How to Check whether list file present in TXT file exist or not

Hi All, I have txt file which has list of files. I have to check whether these files exist or not. Thanks supriya

2. Shell Programming and Scripting

Grepping for two strings that MUST exist on the same line

Trying to find a way to grep for two names on a line. Both names must appear on the same line so '|' / OR is out. So far, I'm just messing around and I've got find . -name "*" | xargs grep "Smith" Let me explain. I'm at a top level and need to know all the names of the files that...

3. Shell Programming and Scripting

Grepping a file based on input from a second file

how to grep a file based on another input file File1 ashu 1 ninetwo hari qwer 6 givefour jan fghj 8 noeight mar vbmi 7 noput feb -- --- File2 noput noeight --- -- Taking the input of grep as File2, a search need to be made in File1 giving File3 as output:

4. Shell Programming and Scripting

Returning only part of a line when grepping

I want to grep out a part of a snort rule based on the SID given, but all i want as the output is the part in the quotes after the msg: An example line looks something like this: alert tcp any any -> 127.0.0.1 any (msg:"Example Message"; classtype:Example; sid:123456;) I would want it to...

5. UNIX for Dummies Questions & Answers

update value in a file using variable passed via unix script

I have a file in my unix directory called "restart_job1.job". Below is a sample of the script where I am doing a 'grep' to check specifically for an oracle error. If the value 'ORA-" is found, I set a variable to hold the return code value (job1_return_code). If the return code is non zero, I...

6. Shell Programming and Scripting

Grepping from a point in a file to the end of the file

does any one know how to turn the equivalent of this command: awk '/2011 John Doe 8344/,0' /tmp/ops.log | egrep -c "received request" to something that would use egrep instead of awk? What the awk command does is, it searches the ops.log file for "2011 John Doe 8344". When it finds it,...

7. Shell Programming and Scripting

In the sh file variable is not being passed on.

I am having difficulties with the fllowing script: !/bin/sh voicemaildir=/var/spool/asterisk/voicemail/$1/$2/INBOX/ echo `date` ':' $voicemaildir >> /var/log/voicemail-notify.log for audiofile in `ls $voicemaildir/*.wav`; do transcriptfile=${audiofile/wav/transcript} ...

8. Shell Programming and Scripting

Display file date after grepping a string in the file

Hi All, I need to recursively grep several folders for a MAC address and display the results with the date of the file name at the start. Even better would be if the final results were displayed chronologically so the newest file is always at the end. Oldest at the top, regardless of what...

9. Shell Programming and Scripting

Grepping the file into a variable after SSH into a server

Hi All, When i am logged into a server , i am able to assign grep value to a variable as follows. VAR=`grep 'Listener stopped' /logs/perf.log` However, when i log out of the server, and try to execute the following command by first SSHing into server, it throws error. $ VAR=`ssh Server...

10. Shell Programming and Scripting

ksh Script, Reading A File, Grepping A File Contents In Another File

So I'm stumped. First... APOLOGIES... my work is offline in an office that has zero internet connectivity, as required by our client. If need be, I could print out my script attempts and retype them here. But on the off chance... here goes. I have a text file (file_source) of terms, each line...

LEARN ABOUT CENTOS

xdg-open

XDG-OPEN(1)							  xdg-open Manual						       XDG-OPEN(1)

NAME

       xdg-open - opens a file or URL in the user's preferred application

SYNOPSIS

       xdg-open {file | URL}

       xdg-open {--help | --manual | --version}

DESCRIPTION

       xdg-open opens a file or URL in the user's preferred application. If a URL is provided the URL will be opened in the user's preferred web
       browser. If a file is provided the file will be opened in the preferred application for files of that type. xdg-open supports file, ftp,
       http and https URLs.

       xdg-open is for use inside a desktop session only. It is not recommended to use xdg-open as root.

OPTIONS

       --help
	   Show command synopsis.

       --manual
	   Show this manual page.

       --version
	   Show the xdg-utils version information.

EXIT CODES

       An exit code of 0 indicates success while a non-zero exit code indicates failure. The following failure codes can be returned:

       1
	   Error in command line syntax.

       2
	   One of the files passed on the command line did not exist.

       3
	   A required tool could not be found.

       4
	   The action failed.

EXAMPLES

	   xdg-open 'http://www.freedesktop.org/'

       Opens the freedesktop.org website in the user's default browser.

	   xdg-open /tmp/foobar.png

       Opens the PNG image file /tmp/foobar.png in the user's default image viewing application.

AUTHORS

       Kevin Krammer
	   Author.

       Jeremy White
	   Author.

COPYRIGHT

       Copyright (C) 2006

xdg-utils 1.0							    06/10/2014							       XDG-OPEN(1)

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

How to Check whether list file present in TXT file exist or not

Discussion started by: supriyabv

2. Shell Programming and Scripting

Grepping for two strings that MUST exist on the same line

Discussion started by: Rally_Point

3. Shell Programming and Scripting

Grepping a file based on input from a second file

Discussion started by: er_ashu

4. Shell Programming and Scripting

Returning only part of a line when grepping

Discussion started by: riott