Bash Scripting: Daily Archive - Archive designated files & directories

#!/bin/bash
#
# Daily Archive - Archive designated files & directories
########################################################
# Gather Current Date
#
DATE=$( date +%y%m%d )
#
# Set Archive File Name
#
FILE=archive$DATE.tar.gz
#
# Set Configuration and Destination File
#
CONFIG_FILE=/auto/home/homeb/d54712/sandbox/scripts/data.d/Files_To_Backup
DESTINATION=/auto/home/homeb/d54712/sandbox/scripts/data.d/$FILE
#
######## Main Script ###################################
#
if [ -f $CONFIG_FILE ] # Make sure the config file still exits
then    #If it exists, do nothing but continue on
        echo
else    #If it doesn't exist, issue error & exist script
        echo
        echo "$CONFIG_FILE does not exist"
       

 echo "Backup not completed due to missing Configuration File"
        echo
        exit
fi
#
# Build the names of all the files to backup
#
FILE_NO=1 #Start on Line 1 of Config File
exec <$CONFIG_FILE      #Redirect STDIN to name of Config File
#
read FILE_NAME          #Read 1st record
#
while [ $? -eq 0 ]
do
        #Make sure the file or directory exists
        if [ -f $FILE_NAME -o -d $FILE_NAME ]
        then
                #If file exists, add its name to the list
                FILE_LIST="$FILE_LIST $FILE_NAME"
        else
                #If file doesn't exist, issue warning
                echo
                echo "$FILE_NAME, does not exist"
                echo "Obviously, I will not include it in this archive"
                echo "It is listed on $FILE_NO of the config file"
                echo "COntinuing to build archive list..."
        fi
#
        FILE_NO=$[ $FILE_NO + 1] #Increase Line/File number by one
        read FILE_NAME          #Read next record
done
#
#######################################################
#
# Backup the files and Compress Archive
#
echo "Starting archive.."
echo
#
tar -czf $DESTINATION $FILE_LIST 2>/dev/null
#
echo "Archive completed"
echo "Resulting archive file is: $DESTINATION"
echo
#
exit