removing SQL script from output

Okay, idiot level question I think.
 I have a script to run on windows as a batchfile:  BATCHFILE:
 sqlplus <C:\bin\script_imp.sql
  SCRIPT
script_imp.sql
 username/password_at_instance
set pagesize 0
set linesize 500
set head off
set verify off
set termout off
set feedback off
spool C:\bin\an_outputfile_imp.csv
 <SQL statement>
 spool off;
  The problem is that the SQL is always shown at the top of the file!!  Thanks!   

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David Cheyne
BA(hons.)

Oracle Database Administrator

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