[dba-SQLServer] Trim text data that comes from a text file import

I have a DTS package that imports data to SS7 from a text file.
The text file is fixed width.
The destination table has varchar fields.

Is there a way to trim the text data that is coming from the text file
during the import step of the DTS package or should I just add a SQL Task
step at the end of my DTS package to do this?

Thanks!
JR




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