how to run multiple script files using ant exec with command sqlplus

I want to run multiple script files using exec ant task .I have two nested arg tags to specify my script files , but ant is executing only the first script and terminating how can I pass multiple script? - Choose the right car based on your needs

sql ant task

I trying to execute small script using ant , here is the script SET NEWPAGE 0 SET SPACE 0 SET LINESIZE 80 SET PAGESIZE 0 SET ECHO OFF SET FEEDBACK OFF SET HEADING OFF SET MARKUP HTML OFF SET ESCAPE \ SPOOL DELETEME.SQL select 'drop table ', table_name, 'cascade constraints \;