GRML_NAME_SQUASHFS="$(cut_string 20 "$GRML_NAME_SQUASHFS")"
GRML_NAME_SQUASHFS="$(extend_string_end 20 "$GRML_NAME_SQUASHFS")"
sed -i "s/%GRML_NAME_SQUASHFS%/$GRML_NAME_SQUASHFS/" "$BUILD_OUTPUT"/boot/isolinux/f4
GRML_NAME_SQUASHFS="$(cut_string 20 "$GRML_NAME_SQUASHFS")"
GRML_NAME_SQUASHFS="$(extend_string_end 20 "$GRML_NAME_SQUASHFS")"
sed -i "s/%GRML_NAME_SQUASHFS%/$GRML_NAME_SQUASHFS/" "$BUILD_OUTPUT"/boot/isolinux/f4