Merge pull request wnameless#117 from morozov/patch-1

Eliminate misleading initialization message

Author: wnameless

assets/startup.sh

@@ -30,6 +30,7 @@ if [ "$ORACLE_DISABLE_ASYNCH_IO" = true ]; then
 fi
 
 for f in /docker-entrypoint-initdb.d/*; do
+  [ -f "$f" ] || continue
   case "$f" in
     *.sh)     echo "$0: running $f"; . "$f" ;;
     *.sql)    echo "$0: running $f"; echo "exit" | /u01/app/oracle/product/11.2.0/xe/bin/sqlplus "SYS/oracle" AS SYSDBA @"$f"; echo ;;