Hi again Rui, i got the column names settled like this : >colnames(Temp) <- paste(flist, seq_len(ncol(Temp)), sep=".") Thanks again, m -- View this message in context: http://r.789695.n4.nabble.com/importing-multiple-file-form-folder-tp4631637p4631737.html Sent from the R help mailing list archive at Nabble.com.