Merge pull request #176 from altmannmarcelo/PSQLADM-157

PSQLADM-157 - Check for file existing & readable before trying to cat it

proxysql-status

@@ -215,14 +215,21 @@ fi
 
 if [[ $DUMP_ALL -eq 1 || $DUMP_FILES -eq 1 ]]; then
     if [[ -z $TABLE_FILTER ]]; then
+      if [[ -r "/var/lib/proxysql/host_priority.conf" ]]; then
         echo "............ DUMPING HOST PRIORITY FILE ............"
         cat /var/lib/proxysql/host_priority.conf 2>&1
         echo "............ END OF DUMPING HOST PRIORITY FILE ............"
-        echo ""
-
+      else
+        echo "/var/lib/proxysql/host_priority.conf not found or not readble by you!"
+      fi
+      echo ""
+      if [[ -r "/etc/proxysql-admin.cnf" ]]; then
         echo "............ DUMPING PROXYSQL ADMIN CNF FILE ............"
         cat /etc/proxysql-admin.cnf 2>&1
         echo "............ END OF DUMPING PROXYSQL ADMIN CNF FILE ............"
-        echo ""
+      else
+        echo "/etc/proxysql-admin.cnf not found or not readble by you!" 
+      fi
+      echo ""
     fi
 fi