I have a large list of email addresses that I have found are undeliverable
to users, I want to mark a field in mysql to 1 where there is this email
address, how can I do this in one go from a \r file.

Something like
update mytable set bad_email = 1 where email_address =
readFile(my_return_sep_file)


-- 
-------------------------------------------------------------
Scott Haneda                                Tel: 415.898.2602
http://www.newgeo.com                       Fax: 313.557.5052
[EMAIL PROTECTED]                            Novato, CA U.S.A.


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