Update backup_and_restore.sh (#3493)

Fix error while "Arguments to -type should contain only one letter" on CentOS

helper-scripts/backup_and_restore.sh

@@ -292,14 +292,14 @@ elif [[ ${1} == "restore" ]]; then
   echo
   declare -A FILE_SELECTION
   RESTORE_POINT="${FOLDER_SELECTION[${input_sel}]}"
-  if [[ -z $(find "${FOLDER_SELECTION[${input_sel}]}" -maxdepth 1 -type f,d -regex ".*\(redis\|rspamd\|mariadb\|mysql\|crypt\|vmail\|postfix\).*") ]]; then
+  if [[ -z $(find "${FOLDER_SELECTION[${input_sel}]}" -maxdepth 1 \( -type d -o -type f \) -regex ".*\(redis\|rspamd\|mariadb\|mysql\|crypt\|vmail\|postfix\).*") ]]; then
     echo "No datasets found"
     exit 1
   fi
 
   echo "[ 0 ] - all"
   # find all files in folder with *.gz extension, print their base names, remove backup_, remove .tar (if present), remove .gz
-  FILE_SELECTION[0]=$(find "${FOLDER_SELECTION[${input_sel}]}" -maxdepth 1 -type f,d \( -name '*.gz' -o -name 'mysql' \) -printf '%f\n' | sed 's/backup_*//' | sed 's/\.[^.]*$//' | sed 's/\.[^.]*$//')
+  FILE_SELECTION[0]=$(find "${FOLDER_SELECTION[${input_sel}]}" -maxdepth 1 \( -type d -o -type f \) \( -name '*.gz' -o -name 'mysql' \) -printf '%f\n' | sed 's/backup_*//' | sed 's/\.[^.]*$//' | sed 's/\.[^.]*$//')
   for file in $(ls -f "${FOLDER_SELECTION[${input_sel}]}"); do
     if [[ ${file} =~ vmail ]]; then
       echo "[ ${i} ] - Mail directory (/var/vmail)"