bash example to redirect stdout to logfile

gistfile1.sh

DATE=`date +%F`

case "$1" in
        "-v")
                echo "verbose enabled"
                ;;
        "-h")
                echo "(description)"
                echo $"Usage: $0 (-v|-h)"
                exit 1
                ;;
        *)
                LOGFILE=$LOGDIR/$DATE.log
                exec >> $LOGFILE 2>&1
                ;;
esac