Directory Backup Bash Script

#!/bin/bash
#Created by Russell John (https://russelljohn.net)
#START
TIME=`date +%b-%d-%y`                 # This command will add date in backup filename
FILENAME=knack-$TIME.tar.gz           # Define backup filename format
SRCDIR=/home/russell                  # Location of data directory (source of backup)
DESDIR=/backup/russell                # Destination of backup file

tar -cpzf $DESDIR/$FILENAME $SRCDIR

find $DESDIR/* -mtime +5 -exec rm -rf {} \;
#END