Sponsored Content
Top Forums Shell Programming and Scripting Doubt??? [scope of variables] Post 302172598 by radoulov on Tuesday 4th of March 2008 08:19:50 AM
Old 03-04-2008
Quote:
Originally Posted by qzv2jm
[...]
Question: How can I make 'x' global so that I get the value outside the loopSmilie.
Code:
% unset x
% cat file
line 1
line 2
line 3
line 4
line 5
% while read;do x="$x $REPLY";done<file
% echo "$x"
 line 1 line 2 line 3 line 4 line 5

 

10 More Discussions You Might Find Interesting

1. Programming

scope

Each thread has a copy of auto variables within a function, but variables declared as static within a function are common to all threads. To circumvent this can static variables be placed outside the function. If so, will the scope of the variable be file only or will it be extern, and will each... (7 Replies)
Discussion started by: sundaresh
7 Replies

2. UNIX for Advanced & Expert Users

Access Awk Variables Outside Scope

Sorry in the wrong forum. Moving this to right forum. (2 Replies)
Discussion started by: Amruta Pitkar
2 Replies

3. Shell Programming and Scripting

Access Awk Variables Outside Scope

My awk script searches for specified patterns in a text file and stores these values into mem variables. Once this is done I want to Insert these values into a table. How can I avail of the variable values outside the scope of awk script.... One method that I have tried is to write the... (7 Replies)
Discussion started by: Amruta Pitkar
7 Replies

4. Shell Programming and Scripting

doubt in arguement variables

hai franklin, i am rajitha. i have some doubt which am trying to solve from yesturday but am not getting the answer.can you help me out. the question is as follows: write a shell scriipt that accepts a string on the command line and greps the file "filename" for that string. can you suggest me... (1 Reply)
Discussion started by: rajitha7
1 Replies

5. AIX

Scope of AIX

What is the scope of AIX as I am starting my career as a fresher in AIX administration?? (4 Replies)
Discussion started by: abhishek27
4 Replies

6. Shell Programming and Scripting

Doubt about variables scope

I call my script with two parameters myscript.sh aaa bbb What is the way to access $1 and $2 values inside a function? I call the function like this myfuntion $1 $1 but inside of the function, $1 and $2 are empty. Any suggestions? thank you in advanced. (1 Reply)
Discussion started by: aristegui
1 Replies

7. Shell Programming and Scripting

Variables scope.

Hi , I'm trying to change the variable value in a while loop , however its not working it seems that the problem with subshells while reading the file. #!/bin/sh FLAG=0; cat filename | while read data do FLAG=1; done echo $FLAG Should display 1 instead displays 0 (13 Replies)
Discussion started by: dinjo_jo
13 Replies

8. Shell Programming and Scripting

while read loop; scope of variables (shell)

If I set a variable within a while-read loop, sometimes it's local to the loop, sometimes it's global, depending on how the loop is set up. I'm testing this on a Debian Lenny system using both bash and dash with the same results. For example: # Pipe command into while-read loop count= ls -1... (2 Replies)
Discussion started by: mjd_tech
2 Replies

9. Shell Programming and Scripting

[Doubt] How can I store numbers less than 1? Shell variables

Hi everyone, I am having some problems with my scripts so I hope you could help me. I am trying to store the result of a division in a variable in tcshell but I have the problem that if: For example, dividing 2/100 the result is 0.02 but if I store that I have "0". How can I have 0.02... (8 Replies)
Discussion started by: Bloody
8 Replies

10. Shell Programming and Scripting

Scope of variables between scripts

Friends, I am using ksh under SunoS. This is what I have In file1.sh NOW=$(date +"%b-%d-%y") LOGFILE="./log-$NOW.log" I will be using this file through file1.sh as log file. I have another script file2.sh which is being called inside my file1.sh. I would like to use the same log... (6 Replies)
Discussion started by: dahlia84
6 Replies
PPI::Token::QuoteLike::Readline(3pm)			User Contributed Perl Documentation		      PPI::Token::QuoteLike::Readline(3pm)

NAME
PPI::Token::QuoteLike::Readline - The readline quote-like operator INHERITANCE
PPI::Token::QuoteLike::Readline isa PPI::Token::QuoteLike isa PPI::Token isa PPI::Element DESCRIPTION
The "readline" quote-like operator is used to read either a single line from a file, or all the lines from a file, as follows. # Read in a single line $line = <FILE>; # From a scalar handle $line = <$filehandle>; # Read all the lines @lines = <FILE>; METHODS
There are no methods available for "PPI::Token::QuoteLike::Readline" beyond those provided by the parent PPI::Token::QuoteLike, PPI::Token and PPI::Element classes. Got any ideas for methods? Submit a report to rt.cpan.org! SUPPORT
See the support section in the main module. AUTHOR
Adam Kennedy <adamk@cpan.org> COPYRIGHT
Copyright 2001 - 2011 Adam Kennedy. This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself. The full text of the license can be found in the LICENSE file included with this module. perl v5.10.1 2011-02-26 PPI::Token::QuoteLike::Readline(3pm)
All times are GMT -4. The time now is 03:01 AM.
Unix & Linux Forums Content Copyright 1993-2022. All Rights Reserved.
Privacy Policy