Wish it would tell me I'm repeating myself. $ rsync -uva age_grouper Makefile filter extractor extractor extractor interviewer m.jidanni.org:ceeeeeeee/ building file list ... done Makefile See how "real" programs do it: $ touch f $ mkdir w $ cp f f f w cp: warning: source file ‘f’ specified more than once cp: warning: source file ‘f’ specified more than once