Sponsored Content
Top Forums UNIX for Beginners Questions & Answers How do I assign the output of a command to a variable within a loop in bash? Post 303033925 by vgersh99 on Sunday 14th of April 2019 04:54:37 PM
Old 04-14-2019
Code:
lnk="$(readlink -f <path> | cut -d '/' -f7)"

 

10 More Discussions You Might Find Interesting

1. UNIX for Dummies Questions & Answers

how to assign an output to a variable

Hi, I am giving a grep command, and i am getting the output. i want to store it in a variable for eg a = grep '12345' /dir/1/2/log.txt ( the output is number) b= grep 'basic' /dir/1/2/log1.txt (in this case the output is character) so how to assign the output of grep to a variable ... (1 Reply)
Discussion started by: vasikaran
1 Replies

2. Shell Programming and Scripting

Is it possible to re-assign the variable form the loop?

Good day, everyone! I've got a small problem with re-assigning the variable form the loop. What I'm trying to do is: #!/bin/bash/ VAR1="AAA" VAR2="BBB" VAR3="CCC" for WORD in VAR1 VAR2 VAR3; do $WORD="DDD" echo $WORD done :o That's the output and error messages: -bash:... (2 Replies)
Discussion started by: Nafanja
2 Replies

3. Shell Programming and Scripting

Assign bash command to variable

Hi I am trying to write a function that needs to be able to assign the last run shell command to a variable. The actual command string itself not the exit code of the command. I am using the bash command recall ability to do this as follows: alias pb='ps | grep ash' ... (3 Replies)
Discussion started by: Moxy
3 Replies

4. Shell Programming and Scripting

Assign command (with pipe) output to a variable

Hi , I would like to assign command (with pipe) output to a variable. The code is as follows. The goal of the code is to get the last folder folder with a particular name pattern. myDate=`ls | grep 2009 | tail -1` echo "myDate=" $myDate However, in the presence of the pipe, the code... (3 Replies)
Discussion started by: jeff_cen
3 Replies

5. Shell Programming and Scripting

assign awk output to bash variable

greetings all, I am have a heck of a time trying to accomplish a very simple thing. I have an array of "shortname<spaces>id" created from a dscl output. I want to assign shortname=word1 and id=word2. I have tried shortname=$(${textArray} | awk '{print $1}') - and get 'awk : cannot open... (3 Replies)
Discussion started by: macnetdaemon
3 Replies

6. Shell Programming and Scripting

Re-assign variable's value through which FOR LOOP loops

Hi, I've a requirement where I want to re-assign the value in the variable through which FOR LOOP loops. For e.g. Snippet of code --------------- for i in $var do echo $i >> $tempFile var=`echo $another_var | awk -F" " '{print $1}'` done I am re-assigning var so... (2 Replies)
Discussion started by: dips_ag
2 Replies

7. Shell Programming and Scripting

In bash script, how to assign output of a command to a variable while keeping tabs?

Hi, wondering if it's been asked before but didn't find matches from google. Basically I have this line: myvar=$(echo -e "a\tb") Now somehow the '\t' from the echo output gets replaced with white space and then stored in $myvar. It creates a problem for me later to use tab as delimiter to do... (2 Replies)
Discussion started by: birddie
2 Replies

8. Shell Programming and Scripting

Unable to assign command output to variable

Code set -x STATUS="0" echo $STATUS for i in `ls -ltr Report*|awk '{ print $9 }'` do if then flg = "`head -1 "$i" |cut -c 31-33`" echo `head -1 "$i" |cut -c 31-33` echo $flg if then echo "having Fun" STATUS="2" else echo "no Fun" fi fi (2 Replies)
Discussion started by: Funkeydude
2 Replies

9. Shell Programming and Scripting

Assign variable name through loop

Hi As bash does not support multidimensional arrays (?), I need some help with a problem. What I want to do is to assign variable names containing a counter in a loop . what I want to do is basically something like this: #!/bin/bash for i in {1..8}; do var$i = "some command" done... (6 Replies)
Discussion started by: Tobbev
6 Replies

10. UNIX for Dummies Questions & Answers

Need to get a loop variable from output of a command

Hi, I am trying to get a loop counter i and set its value as the ouput of a command: i=`printmo TEST1 | grep -i TEST2 | wc -l` Then I want to use i as counter to run a loop i number of times. Like if i gets a value of 5 I'll have to run loop 5 times. But will i here be a numeric... (3 Replies)
Discussion started by: pat_pramod
3 Replies
PPIx::Regexp::Structure::Code(3)			User Contributed Perl Documentation			  PPIx::Regexp::Structure::Code(3)

NAME
PPIx::Regexp::Structure::Code - Represent one of the code structures. SYNOPSIS
use PPIx::Regexp::Dumper; PPIx::Regexp::Dumper->new( 'qr{(?{print "hello sailor ")}smx' ) ->print(); INHERITANCE
"PPIx::Regexp::Structure::Code" is a PPIx::Regexp::Structure. "PPIx::Regexp::Structure::Code" has no descendants. DESCRIPTION
This class represents one of the code structures, either (?{ code }) or (??{ code }) METHODS
This class provides no public methods beyond those provided by its superclass. SUPPORT
Support is by the author. Please file bug reports at <http://rt.cpan.org>, or in electronic mail to the author. AUTHOR
Thomas R. Wyant, III wyant at cpan dot org COPYRIGHT AND LICENSE
Copyright (C) 2009-2013 by Thomas R. Wyant, III This program is free software; you can redistribute it and/or modify it under the same terms as Perl 5.10.0. For more details, see the full text of the licenses in the directory LICENSES. This program is distributed in the hope that it will be useful, but without any warranty; without even the implied warranty of merchantability or fitness for a particular purpose. perl v5.16.3 2014-06-10 PPIx::Regexp::Structure::Code(3)
All times are GMT -4. The time now is 04:17 AM.
Unix & Linux Forums Content Copyright 1993-2022. All Rights Reserved.
Privacy Policy