restore doesnt need decimals

backup.sh

@@ -6,7 +6,7 @@ pg_dump $DATABASE_URL --clean > /mnt/save/$b/pg.dump \
       echo "backup failed; deleting $b"
       exit 1
    )
-if du -sh /mnt/save/$b | grep -Ei "^[ ]*(4|20).0K"; then 
+if du -sh /mnt/save/$b | grep -Ei "^[ ]*(4|2.).0K"; then 
    rm -rf /mnt/save/$b
    echo rm empty backup $b
 fi

restore.sh

@@ -1,6 +1,13 @@
 for b in $(find /mnt/save -type f | sort | tail -n 1); do
    if [ -n "$b" ]; then
-      echo restoring $b
+      if du -sh "$b" | grep -Ei "^[ ]*(4|2[0-9])(.0)?[Kk]"; then
+         echo would rm empty backup $b >&2
+         set -x
+         mv "$b" "${b%/*}/.${b##*/}"
+         set +x
+         continue
+      fi
+      echo restoring $b >&2
       if psql $DATABASE_URL < "$b"; then
          break
       fi