use DELPRIORITYCHAR modifier
http://publib.boulder.ibm.com/in ... c/core/r0011044.htm
example:
IMPORT FROM "C:\DBQuote_data.csv" OF DEL MODIFIED BY CHARDELxA8
DELPRIORITYCHAR METHOD P (1, 2) MESSAGES "C:\DBQuote_message.log" INSERT
INTO @TEMP.DOUBLEQUOTE (FEILD1, ROW_NO);