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...if I should use a function (scan?) that reads in the file line by line and checks each line for control characters, but I don't know how to do this either. Thanks for any help David -- View this message in context: http://www.nabble.com/eliminating-control-characters-from-formatted-data-files-tp21847583p21847583.html Sent from the R help mailing list archive at Nabble.com.