cd $BACKUP_DIR if [ ! -p $PIPE ]; then
mkfifo $PIPE fi
echo "gzipping from $PIPE ..." nohup gzip -c < $PIPE > ${DMPFILE}.gz &
echo "expdp started ..." expdp $CREDENTIALS \
DIRECTORY=DP_EXP_DIR \ DUMPFILE=$PIPE \ FULL=y \ LOGFILE=$LOGFILE