question about external files

9.2
I'm trying to load a file that has a field that can be > 4000 characters. external files don't let you use a clob so I'm using a varchar2(4000). problem is I don't want any rejected records but it's ok to only grab the first 4000 characters. so how do I do this in external files, sqlloader I could substr the column.

Thanks
Mike

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