[ -n "$OUTPUT_DIR" ] || OUTPUT_DIR="${STORAGE}/grml-live_${DATE}.$$"
[ -n "$ISO_DIR" ] || ISO_DIR=$STORAGE/grml-isos
[ -n "$RECIPIENT" ] || RECIPIENT=root@localhost
[ -n "$OUTPUT_DIR" ] || OUTPUT_DIR="${STORAGE}/grml-live_${DATE}.$$"
[ -n "$ISO_DIR" ] || ISO_DIR=$STORAGE/grml-isos
[ -n "$RECIPIENT" ] || RECIPIENT=root@localhost