-adb shell ls -1 -d $sdcard/backup/* | sed "s!$sdcard/*!!" | tr -d '\r' > /tmp/backup.android
-ls -1 -d backup/* > /tmp/backup.disk
+adb shell find $sdcard/backup/ -mindepth 1 -maxdepth 1 | sed "s!$sdcard/*!!" | tr -d '\r' > /tmp/backup.android
+test -d backup || mkdir backup
+find backup/ -mindepth 1 -maxdepth 1 -type d | sed 's!backup/!!' > /tmp/backup.disk