Data comparison and deletion of duplicates

I have moved all of my data over to the mac from my PC. Everything has been fairly smooth, but I have a question for some of you regarding data duplication which I have not found a work around yet. Currently, I own a mac mini running 10.4.3 and I also picked up a copy of Filemaker Pro 7 along with MS Office 2004. I needed a database program for the Mac to keep my email lists up to date, but I haven't had time to tinker with Filemaker 7. So my problem is as follows:
There are two .txt files. One with current email address's and the second with outdated email address's. I need to compare both files together and when I find a match between the current and bad email address I need to delete the address in the current email txt file.
I am not fluent enough in Filemaker 7 to figure out how to do a comparison between the 2 tables and then delete the appropriate data when there is a match. I had this set up available on MS Access on my PC, but I need to replicate this process on the Mac. What options do I have available or if someone can help me in the right direction to a possible solution. I would assume that Automator could do this. Maybe there is something in Excel that I can create a workaround.
Thanks again.
Dankman

FileMaker Pro has some support options where you might be able to find some more help:
http://www.filemakerpro.com/support/mailinglists.html
-Doug

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Message was edited by:
        Erwan LE BRUN

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Data comparison and deletion of duplicates

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