No, currently that is not supported. We only work with single Excel time at a time. But there is similar request here [TEIID-3599] Excel translator and dynamic filenames - JBoss Issue Tracker I am thinking with this we can even solve your issue. But in both cases, I would assume that all the Excel files in the given parent directory will have same format (metadata) but different data. Is that scenario fits your situation?
Yes this is what I'm looking for.