+ if [ -n "${addimage_directory}" ] && [ -d "${addimage_directory}" ]
+ then
+ for FILESYSTEM in squashfs ext2 ext3 xfs jffs2 dir
+ do
+ for IMAGE in "${addimage_directory}"/*."${FILESYSTEM}"
+ do
+ if [ -e "${IMAGE}" ]
+ then
+ image_string="${image_string} ${IMAGE}"
+ fi
+ done
+ done
+ fi
+