SQL> @c:\apex\apxldimg c:\apex

PL/SQL procedure successfully completed.

old   1: create directory APEX_IMAGES as '&1/apex/images'
new   1: create directory APEX_IMAGES as 'c:\apex/apex/images'

Directory created.

declare
*
ERROR at line 1:
ORA-22288: file or LOB operation FILEOPEN failed
No such file or directory
ORA-06512: at "SYS.DBMS_LOB", line 523
ORA-06512: at "SYS.XMLTYPE", line 287
ORA-06512: at line 15

declare
    file_list               varchar2(30) default 'imagelist.xml'; 

@c:\apex\apxldimg c:\