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Full Discussion: Does a variable lose its value outside the loop in shell script?
Top Forums Shell Programming and Scripting Does a variable lose its value outside the loop in shell script? Post 302829179 by RavinderSingh13 on Thursday 4th of July 2013 06:32:08 AM
Old 07-04-2013
Hello,

Could you please the following if this helps.


Code:
 
 
$ cat script_user_error.ksh
echo "In shell_script_B.sh"
FILENAME="original.txt"
echo "FILENAME = {$FILENAME}"
echo ""
echo "-------Inside the loop-------"
while read line
do
        FILENAME=$line       # reassigning the FILENAME
        echo "FILENAME = {$FILENAME}"
done < "file_names"

echo "-------End loop--------------"
echo ""
echo "FILENAME = {$FILENAME}"
 
 

$ ksh script_user_error.ksh
In shell_script_B.sh
FILENAME = {original.txt}
-------Inside the loop-------
FILENAME = {sample.txt}
-------End loop--------------
FILENAME = {sample.txt}
$


I have just made the changes in color. Is it meets your requirement.
Kindly let me know if I can help on same.



Thanks,
R. Singh
This User Gave Thanks to RavinderSingh13 For This Post:
Little
 

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gcstar

GCSTAR(1)							Linux User's Manual							 GCSTAR(1)

NAME

       GCstar - Personal collection manager

SYNOPSIS

       gcstar [-u UPDATE-OPTIONS] [-x EXECUTE-OPTIONS] [FILENAME]

DESCRIPTION

       GCstar is a Gtk2 program used to manage personal collections.

OPTIONS

       Without any option, it will open FILENAME if specified or the previously opened file. There are also two groups of options.

   UPDATE-OPTIONS
       -u, --update
	      Tell GCstar to look for available updates

       -a, --all
	      Update all components

       -c, --collection
	      Update collection models

       -w, --website
	      Update plugins to download information

       -i, --import
	      Update plugins to import data

       -e, --export
	      Update plugins to export data

       -l, --lang
	      Update translations

       -n, --noproxy
	      Don't ask for a proxy

   EXECUTE-OPTIONS
       -x, --execute
	      Enter non-interactive mode

       -c, --collection MODEL
	      Specify the collection type

       -w, --website PLUGIN
	      Specify the plugin to use to download information

       -i, --import PLUGIN
	      Specify the plugin to use to import a collection

       -e, --export PLUGIN
	      Specify the plugin to use to export the collection

       -f, --fields FILENAME
	      File containing fields list to use for import/export

       -o, --output FILENAME
	      Write output in FILENAME instead of standard output

       --download TITLE
	      Search for the item with TITLE as name

       --importprefs PREFERENCES
	      Preferences for the import plugin

       --exportprefs PREFERENCES
	      Preferences for the export plugin

       Preferences for import/export plugins are specified using this schema
	      Key1=>Value1,Key2=>Value2

ENVIRONMENT

       HOME   Used to define following variables if needed

       XDG_CONFIG_HOME
	      Where configuration files should be stored. If not defined: $HOME/.config

       XDG_DATA_HOME
	      Where some data will be stored. If not defined: $HOME/.local/share

BUGS REPORTING

       To report bugs, please use this forum:

       http://forums.gcstar.org/viewforum.php?id=4

AUTHORS

       Tian <tian@c-sait.net>

       http://www.gcstar.org/

GCstar								  17 August 2006							 GCSTAR(1)
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