Variables scope. - Page 2 - The UNIX and Linux Forums

		The UNIX and Linux Forums > Top Forums > Shell Programming and Scripting
Variables scope.

google unix.com

Shell Programming and Scripting Post questions about KSH, CSH, SH, BASH, PERL, PHP, SED, AWK and OTHER shell scripts and shell scripting languages here.

More UNIX and Linux Forum Topics You Might Find Helpful
Thread	Thread Starter	Forum	Replies	Last Post
Doubt??? [scope of variables]	qzv2jm	Shell Programming and Scripting	1	03-04-2008 09:19 AM
Access Awk Variables Outside Scope	Amruta Pitkar	Shell Programming and Scripting	7	01-15-2008 09:17 AM
Access Awk Variables Outside Scope	Amruta Pitkar	UNIX for Advanced & Expert Users	2	10-26-2006 10:35 PM
scope	sundaresh	High Level Programming	7	06-28-2006 12:19 PM
C++: scope, different files etc..	J.P	High Level Programming	1	04-25-2002 05:41 PM


	Powered by

LinkBack

Thread Tools

Search this Thread

Rate Thread

Display Modes

#1 (permalink)

05-22-2008

dinjo_jo

Registered User

Join Date: May 2008

Posts: 73

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

Bookmarks

« Delete 6 months old files | Problem with wget »

Thread Tools	Search this Thread
Show Printable Version Email this Page	Search this Thread: Advanced Search
Display Modes	Rate This Thread
Switch to Linear Mode Switch to Hybrid Mode Threaded Mode	Rate This Thread:

Posting Rules
You may not post new threads You may not post replies You may not post attachments You may not edit your posts BB code is On Smilies are On [IMG] code is On HTML code is Off Trackbacks are On Pingbacks are On Refbacks are On Forum Rules

All times are GMT -4. The time now is 11:51 PM.